Inventor · disambiguated record
David J. Logan
Also filed as: LOGAN DAVID · LOGAN DAVID B · LOGAN DAVID J · LOGAN DAVID JOHN
64 granted patents·7 pending applications·1,581 citations·filing 1973–2020
99Inventor score
Files withGERBER SCIENT PRODUCTS INC24GERBER OPTICAL INC7GULF & WESTERN CORP6GERBER COBURN OPTICAL INC4GERBER SCIENTIFIC INSTR CO4
Top patents by PatentIndex Score
71 records- 0198US4989316AMethod and apparatus for making prescription eyeglass lensesGERBER SCIENT PRODUCTS INC·Filed 1987·Granted Feb 5, 1991·106 cites·51 claims
- 0296US4583181AFabric flaw related systemGERBER SCIENT INC·Filed 1985·Granted Apr 15, 1986·97 cites·46 claims
- 0395US5537135AMethod and apparatus for making a graphic productGERBER SCIENT PRODUCTS INC·Filed 1993·Granted Jul 16, 1996·65 cites·22 claims
- 0494US5053971AMethod and apparatus for edging an optical lensGERBER OPTICAL INC·Filed 1989·Granted Oct 1, 1991·62 cites·20 claims
- 0594US4467525AAutomated sign generatorGERBER SCIENT PRODUCTS INC·Filed 1982·Granted Aug 28, 1984·127 cites·26 claims
- 0692US4680596AMethod and apparatus for controlling ink-jet color printing headsMETROMEDIA CO·Filed 1986·Granted Jul 14, 1987·87 cites·10 claims
- 0789US4761315ABlank for use in a lens pattern generatorGERBER SCIENT PRODUCTS INC·Filed 1986·Granted Aug 2, 1988·43 cites·28 claims
- 0888US5551786AApparatus for making a graphic productGERBER SCIENT PRODUCTS INC·Filed 1995·Granted Sep 3, 1996·37 cites·8 claims
- 0988US4575730AInk jet printing randomizing droplet placement apparatusMETROMEDIA INC·Filed 1984·Granted Mar 11, 1986·43 cites·13 claims
- 1087US7668651B2Reverse geocoding system using combined street segment and point datasetsPITNEY BOWES SOFTWARE INC·Filed 2006·Granted Feb 23, 2010·24 cites·15 claims
- 1186US4799172AApparatus and method for automatic layout of sign textGERBER SCIENT PRODUCTS INC·Filed 1986·Granted Jan 17, 1989·44 cites·26 claims
- 1285US5555009APrinting apparatus with pressure regulationGERBER SCIENT PRODUCTS INC·Filed 1995·Granted Sep 10, 1996·32 cites·5 claims
- 1385US4834276AWeb loading and feeding system, related web construction and method and apparatus for making webGERBER SCIENT PRODUCTS INC·Filed 1983·Granted May 30, 1989·33 cites·14 claims
- 1484US6957030B2Method and apparatus for making signsGERBER SCIENTIFIC INT INC·Filed 2003·Granted Oct 18, 2005·20 cites·90 claims
- 1583US4547786AInk jet printing systemMETROMEDIA INC·Filed 1984·Granted Oct 15, 1985·37 cites·21 claims
- 1682US5026584ASign making web with dry adhesive layerGERBER SCIENT PRODUCTS INC·Filed 1987·Granted Jun 25, 1991·39 cites·14 claims
- 1781US4591999AMethod and apparatus for automatically spacing characters during compositionGERBER SCIENT PRODUCTS INC·Filed 1983·Granted May 27, 1986·37 cites·14 claims
- 1881US4435904AAutomated measuring scaleGERBER SCIENT PRODUCTS INC·Filed 1982·Granted Mar 13, 1984·35 cites·15 claims
- 1980US4724617AApparatus for tracing the lens opening in an eyeglass frameGERBER SCIENT PRODUCTS INC·Filed 1986·Granted Feb 16, 1988·35 cites·18 claims
- 2078US10801015B2Systems and methods for culturing epithelial cellsBROAD INST INC·Filed 2014·Granted Oct 13, 2020·3 cites·22 claims
- 2178US6106665AApparatus for making ophthalmic lenses by vacuum laminationGERBER COBURN OPTICAL INC·Filed 1998·Granted Aug 22, 2000·31 cites·2 claims
- 2278US4231659AMethod of making an overlay mask and a printing plate therefromGERBER SCIENTIFIC INSTR CO·Filed 1979·Granted Nov 4, 1980·10 cites·16 claims
- 2376US7671988B2Detection of particlesAMERICAN ECOTECH LLC·Filed 2006·Granted Mar 2, 2010·12 cites·23 claims
- 2476US4867363AWeb loading and feeding systemGERBER SCIENT PRODUCTS INC·Filed 1988·Granted Sep 19, 1989·24 cites·10 claims
- 2576US3936712AInteractive graphic systemGERBER SCIENTIFIC INSTR CO·Filed 1973·Granted Feb 3, 1976·24 cites·38 claims
- 2675US6478658B1Apparatus for generating lens surfacesGERBER COBURN OPTICAL INC·Filed 2000·Granted Nov 12, 2002·16 cites·15 claims
- 2775US6170376B1Method for making die boards, and materials and apparatus for practicing the methodGERBER SCIENT PRODUCTS INC·Filed 1999·Granted Jan 9, 2001·25 cites·26 claims
- 2875US5466501ASign making web with tack killing overcoat removable by washing and related methodGERBER SCIENT PRODUCTS INC·Filed 1994·Granted Nov 14, 1995·30 cites·15 claims
- 2974US5277736AAutomatic weeding system and method of useGERBER SCIENT PRODUCTS INC·Filed 1992·Granted Jan 11, 1994·27 cites·15 claims
- 3072US5858163AApparatus for making ophthalmic lenses by vacuum laminationGERBER OPTICAL INC·Filed 1996·Granted Jan 12, 1999·24 cites·30 claims
- 3171US5720649AOptical lens or lap blank surfacing machine, related method and cutting tool for use therewithGERBER OPTICAL INC·Filed 1995·Granted Feb 24, 1998·34 cites·2 claims
- 3269US4131224ADetachable indexing device and methodGERBER SCIENTIFIC INSTR CO·Filed 1977·Granted Dec 26, 1978·19 cites·13 claims
- 3368US5288358ASign making web with dry adhesive layer and method of using the sameGERBER SCIENT PRODUCTS INC·Filed 1992·Granted Feb 22, 1994·30 cites·3 claims
- 3467US5808721AOphthalmic lens wafers and receiver for registering such wafersGERBER OPTICAL INC·Filed 1996·Granted Sep 15, 1998·25 cites·20 claims
- 3567US5143576AAutomatic weeding system and method of useGERBER SCIENT PRODUCTS INC·Filed 1990·Granted Sep 1, 1992·19 cites·19 claims
- 3665US6051091AMethod for making ophthalmic lenses by vacuum laminationGERBER COBURN OPTICAL INC·Filed 1998·Granted Apr 18, 2000·25 cites·5 claims
- 3765US5139373AOptical lens pattern making system and methodGERBER OPTICAL INC·Filed 1991·Granted Aug 18, 1992·28 cites·12 claims
- 3863US5042935ABlanks for making prescription eyeglass lensesGERBER OPTICAL INC·Filed 1990·Granted Aug 27, 1991·15 cites·5 claims
- 3962US7325916B2Method and apparatus for making signsGERBER SCIENT INTERNATIONAL IN·Filed 2003·Granted Feb 5, 2008·4 cites·15 claims
- 4062US4895287AWeb loading and feeding systemGERBER SCIENT PRODUCTS INC·Filed 1988·Granted Jan 23, 1990·13 cites·6 claims
- 4162US2008152809A1Method and apparatus for making signsBAKER PETER R·Filed 2007·Application pending·0 cites
- 4260US6527632B1Lap having a layer conformable to curvatures of optical surfaces on lenses and a method for finishing optical surfacesGERBER COBURN OPTICAL INC·Filed 1999·Granted Mar 4, 2003·19 cites·3 claims
- 4359US11788063B2Systems and methods for culturing epithelial cellsBROAD INST INC·Filed 2020·Granted Oct 17, 2023·0 cites·19 claims
- 4457US4910871ACalligraphy machine and related method of operationGERBER SCIENT PRODUCTS INC·Filed 1989·Granted Mar 27, 1990·10 cites·36 claims
- 4557US4133111AApparatus for detecting limits of travelGERBER SCIENT INC·Filed 1977·Granted Jan 9, 1979·8 cites·12 claims
- 4654US4638373AMethod and apparatus for improving gray scale resolution in an ink jet printing systemMETROMEDIA INC·Filed 1985·Granted Jan 20, 1987·13 cites·4 claims
- 4752US6913425B1Method for making die boards and materials and apparatus for practicing the methodGERBER SCIENT PRODUCTS INC·Filed 2000·Granted Jul 5, 2005·2 cites·3 claims
- 4852US4346445APortable alphanumeric and symbol drafting deviceKOH I NOOR RAPIDOGRAPH·Filed 1980·Granted Aug 24, 1982·11 cites·19 claims
- 4950US9323779B2Reverse geocoding system using combined street segment and point datasetsSEARIGHT KEITH R·Filed 2009·Granted Apr 26, 2016·1 cites·16 claims
- 5049US3984747AHigh accuracy plotterGERBER SCIENTIFIC INSTR CO·Filed 1975·Granted Oct 5, 1976·7 cites·5 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →