Inventor · disambiguated record
Marshall D. Graham
Also filed as: GRAHAM MARSHALL D · GRAHAM MARSHALL DONNIE
20 granted patents·1,040 citations·filing 1981–2017
96Inventor score
Files withCOULTER ELECTRONICS8COULTER INT CORP7BECKMAN COULTER INC3GRAHAM MARSHALL D1GRAHAM MARSHALL DONNIE1
Top patents by PatentIndex Score
20 records- 0196US4666595AApparatus for acoustically removing particles from a magnetic separation matrixCOULTER ELECTRONICS·Filed 1985·Granted May 19, 1987·99 cites·13 claims
- 0295US4508625AMagnetic separation using chelated magnetic ionsGRAHAM MARSHALL D·Filed 1983·Granted Apr 2, 1985·141 cites·34 claims
- 0394US4513438AAutomated microscopy system and method for locating and re-locating objects in an imageCOULTER ELECTRONICS·Filed 1982·Granted Apr 23, 1985·187 cites·29 claims
- 0492US9772274B2Compound optical flow cells and method of manufacture and useBECKMAN COULTER INC·Filed 2014·Granted Sep 26, 2017·13 cites·20 claims
- 0592US8189187B2Monolithic optical flow cells and method of manufactureGRAHAM MARSHALL DONNIE·Filed 2009·Granted May 29, 2012·54 cites·19 claims
- 0692US4664796AFlux diverting flow chamber for high gradient magnetic separation of particles from a liquid mediumCOULTER ELECTRONICS·Filed 1985·Granted May 12, 1987·80 cites·16 claims
- 0787US4494479ASlide preparation apparatusCOULTER ELECTRONICS·Filed 1983·Granted Jan 22, 1985·54 cites·10 claims
- 0886US6111398AMethod and apparatus for sensing and characterizing particlesCOULTER INT CORP·Filed 1997·Granted Aug 29, 2000·83 cites·65 claims
- 0986US4508435AAir vacuum chuck for a microscopeCOULTER ELECTRONICS·Filed 1982·Granted Apr 2, 1985·56 cites·11 claims
- 1085US5665312ABlood analysis system having blood storage, transport and automatic slide-making capabilitiesCOULTER INT CORP·Filed 1995·Granted Sep 9, 1997·63 cites·17 claims
- 1184US4420720AField focused particle sensing zoneCOULTER ELECTRONICS·Filed 1981·Granted Dec 13, 1983·44 cites·28 claims
- 1282US4538885AOptical microscope systemCOULTER ELECTRONICS·Filed 1982·Granted Sep 3, 1985·46 cites·10 claims
- 1379US10466165B2Compound optical flow cells and method of manufacture and useBECKMAN COULTER INC·Filed 2017·Granted Nov 5, 2019·1 cites·18 claims
- 1478US5766549AApparatus for drying blood smear slidesCOULTER INT CORP·Filed 1995·Granted Jun 16, 1998·53 cites·6 claims
- 1560US6259242B1Apparatus incorporating a sensing conduit in conductive material and method of use thereof for sensing and characterizing particlesCOULTER INT CORP·Filed 1999·Granted Jul 10, 2001·24 cites·20 claims
- 1652US6175227B1Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principleCOULTER INT CORP·Filed 1998·Granted Jan 16, 2001·20 cites·44 claims
- 1751US9423336B2Systems and methods for particle sensing and characterizationBECKMAN COULTER INC·Filed 2014·Granted Aug 23, 2016·0 cites·20 claims
- 1849US4516522ASlide preparation apparatusCOULTER ELECTRONICS·Filed 1982·Granted May 14, 1985·13 cites·7 claims
- 1941US6197471B1Amorphous silicon photoreceptor and method for making sameCOULTER INT CORP·Filed 1998·Granted Mar 6, 2001·9 cites·11 claims
- 2029US6300028B1Environmentally stable amorphous silicon photoreceptor and method for making sameCOULTER INT CORP·Filed 1998·Granted Oct 9, 2001·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →