Inventor · disambiguated record
Donald Chadwick
Also filed as: CHADWICK DONALD · CHADWICK DONALD T · CHADWICK DONALD THORNTON
48 granted patents·2 pending applications·4,215 citations·filing 1975–2014
99Inventor score
Top patents by PatentIndex Score
50 records- 0199US6966604B2Chair with a linkage assemblyMILLER HERMAN INC·Filed 2004·Granted Nov 22, 2005·171 cites·27 claims
- 0299US6733080B2Seating structure having a backrest with a flexible membrane and a moveable armrestMILLER HERMAN INC·Filed 2002·Granted May 11, 2004·192 cites·13 claims
- 0399US6722741B2Seating structure having a backrest with a bowed sectionMILLER HERMAN INC·Filed 2002·Granted Apr 20, 2004·195 cites·28 claims
- 0499US6702390B2Support assembly for a seating structureMILLER HERMAN INC·Filed 2002·Granted Mar 9, 2004·173 cites·34 claims
- 0599US6588842B2BackrestMILLER HERMAN INC·Filed 2001·Granted Jul 8, 2003·233 cites·39 claims
- 0699US6386634B1Office chairMILLER HERMAN INC·Filed 1993·Granted May 14, 2002·268 cites·113 claims
- 0799US6125521AProcess for making an office chairMILLER HERMAN INC·Filed 1995·Granted Oct 3, 2000·209 cites·40 claims
- 0899US6059368AOffice chairMILLER HERMAN INC·Filed 1995·Granted May 9, 2000·323 cites·59 claims
- 0999US6035901AWoven fabric membrane for a seating surfaceMILLER HERMAN INC·Filed 1995·Granted Mar 14, 2000·325 cites·41 claims
- 1099USD346279SChairMILLER HERMAN INC·Filed 1992·Granted Apr 26, 1994·123 cites·1 claims
- 1199US4889385AChair seat-and-back supportAMERICAN SEATING CO·Filed 1988·Granted Dec 26, 1989·217 cites·15 claims
- 1299USD289120SChair shellMILLER HERMAN INC·Filed 1984·Granted Apr 7, 1987·104 cites·1 claims
- 1399US4529247AOne-piece shell chairMILLER HERMAN INC·Filed 1982·Granted Jul 16, 1985·207 cites·17 claims
- 1498US7887131B2Lumbar supportKNOLL INC·Filed 2010·Granted Feb 15, 2011·118 cites·10 claims
- 1598US7594700B2Contoured seating structureMILLER HERMAN INC·Filed 2005·Granted Sep 29, 2009·130 cites·11 claims
- 1698US5772282ATilt control mechanism for a chairMILLER HERMAN INC·Filed 1995·Granted Jun 30, 1998·190 cites·55 claims
- 1797US6726286B2Seating structure having a fabric with a weave patternMILLER HERMAN INC·Filed 2002·Granted Apr 27, 2004·163 cites·25 claims
- 1897USD377431SSeat and back unit for a chairMILLER HERMAN INC·Filed 1994·Granted Jan 21, 1997·69 cites·1 claims
- 1996US5765804APneumatic support colunm for a chairMILLER HERMAN INC·Filed 1995·Granted Jun 16, 1998·100 cites·26 claims
- 2095USD471024SChairKNOLL INC·Filed 2002·Granted Mar 4, 2003·58 cites·1 claims
- 2195USD386023SSeat and back unit for a chairMILLER HERMAN INC·Filed 1996·Granted Nov 11, 1997·62 cites·1 claims
- 2291USD296394SChairMILLER HERMAN INC·Filed 1986·Granted Jun 28, 1988·32 cites·1 claims
- 2390USD420523SChairMILLER HERMAN INC·Filed 1998·Granted Feb 15, 2000·41 cites·1 claims
- 2489USD299192SChairMILLER HERMAN INC·Filed 1986·Granted Jan 3, 1989·28 cites·1 claims
- 2588US8480171B2Office chairCHADWICK DONALD T·Filed 2005·Granted Jul 9, 2013·41 cites·20 claims
- 2687USD607661SChairKNOLL INC·Filed 2009·Granted Jan 12, 2010·32 cites·1 claims
- 2787USD475544SChairKNOLL INC·Filed 2002·Granted Jun 10, 2003·33 cites·1 claims
- 2887US4533791AInput/output device arrangements for terminalsNORTHERN TELECOM LTD·Filed 1982·Granted Aug 6, 1985·81 cites·7 claims
- 2986USD295347SChairMILLER HERMAN INC·Filed 1986·Granted Apr 26, 1988·24 cites·1 claims
- 3085USD740041SStoolHUMANSCALE CORP·Filed 2014·Granted Oct 6, 2015·10 cites·1 claims
- 3185USD296623SStool or similar articleMILLER HERMAN INC·Filed 1986·Granted Jul 12, 1988·22 cites·1 claims
- 3281USD318577SChairAMERICAN SEATING CO·Filed 1988·Granted Jul 30, 1991·18 cites·1 claims
- 3377USD745287SStoolHUMANSCALE CORP·Filed 2014·Granted Dec 15, 2015·20 cites·1 claims
- 3476US4718716AReclining chairMILLER HERMAN INC·Filed 1986·Granted Jan 12, 1988·44 cites·10 claims
- 3574USD495890SStackable chairHANSSEM CO LTD·Filed 2003·Granted Sep 14, 2004·20 cites·1 claims
- 3670USD253703SHousing for telephone setNORTHERN TELECOM LTD·Filed 1977·Granted Dec 18, 1979·10 cites·1 claims
- 3770US3969721ALight emitting diode indicator assembly for a multiple pushbutton arrayNORTHERN ELECTRIC CO·Filed 1975·Granted Jul 13, 1976·14 cites·5 claims
- 3865USD482215STableHANSSEM CO LTD·Filed 2002·Granted Nov 18, 2003·13 cites·1 claims
- 3965USD479053SChairHANSSEM CO LTD·Filed 2002·Granted Sep 2, 2003·13 cites·1 claims
- 4064USD606771SChairKNOLL INC·Filed 2009·Granted Dec 29, 2009·12 cites·1 claims
- 4164USD346282SSide chairAMERICAN SEATING CO·Filed 1992·Granted Apr 26, 1994·11 cites·1 claims
- 4263USD265311STelephone display set baseNORTHERN TELECOM LTD·Filed 1979·Granted Jul 6, 1982·7 cites·1 claims
- 4360USD740578SStoolHUMANSCALE CORP·Filed 2014·Granted Oct 13, 2015·1 cites·1 claims
- 4460USD510202SAdjustable chairHANSSEM CO LTD·Filed 2003·Granted Oct 4, 2005·11 cites·1 claims
- 4559USD344649SChair spineAMERICAN SEATING CO·Filed 1992·Granted Mar 1, 1994·9 cites·1 claims
- 4653US4453689AAdjustable mountingNORTHERN TELECOM LTD·Filed 1981·Granted Jun 12, 1984·12 cites·12 claims
- 4753US2015351549A1Stool with domed base and seatHUMANSCALE CORP·Filed 2014·Application pending·0 cites
- 4852USD756139SStoolHUMANSCALE CORP·Filed 2014·Granted May 17, 2016·8 cites·1 claims
- 4945US6019338ATilt stand for desktop terminalNORTEL NETWORKS CORP·Filed 1998·Granted Feb 1, 2000·18 cites·51 claims
- 5043US2004189073A1Adjustable chairFiled 2003·Application pending·0 cites
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