Inventor · disambiguated record
Donald E. Johnston
Also filed as: JOHNSTON DONALD · JOHNSTON DONALD E
11 granted patents·2 pending applications·170 citations·filing 1987–2014
91Inventor score
Top patents by PatentIndex Score
13 records- 0186US7415221B2Modular media registration systems and methods for printing or image-forming apparatusXEROX CORP·Filed 2005·Granted Aug 19, 2008·11 cites·12 claims
- 0286US4992770AFuse with improved spring timerCOOPER IND INC·Filed 1989·Granted Feb 12, 1991·40 cites·21 claims
- 0380US5163668ARetard pad assembly with movable compliant entrance guideXEROX CORP·Filed 1991·Granted Nov 17, 1992·27 cites·18 claims
- 0478US5370381AFriction retard sheet separator and feeder having reduced noiseXEROX CORP·Filed 1994·Granted Dec 6, 1994·25 cites·16 claims
- 0576US8702094B2Media registration system with sheet curl controlMANDEL BARRY P·Filed 2011·Granted Apr 22, 2014·3 cites·26 claims
- 0657US6111192AHeight reducible EMI shielded electronic enclosureMARION COMPOSITES·Filed 1998·Granted Aug 29, 2000·29 cites·22 claims
- 0757US5634188AReproduction machine having a high capacity cassette tray assemblyXEROX CORP·Filed 1996·Granted May 27, 1997·13 cites·9 claims
- 0852US9233813B2Media registration system with sheet curl controlXEROX CORPORATOIN·Filed 2014·Granted Jan 12, 2016·0 cites·5 claims
- 0948US6186497B1Low cost multiple output sheet inverterXEROX CORP·Filed 1999·Granted Feb 13, 2001·14 cites·8 claims
- 1048US2011064499A1Closed loop stalled roll registrationXEROX CORP·Filed 2009·Application pending·0 cites
- 1142US7062218B2Quad-roll decurlerXEROX CORP·Filed 2003·Granted Jun 13, 2006·3 cites·24 claims
- 1242US4771259AElectric protective device and method for manufacturing sameCOOPER IND INC·Filed 1987·Granted Sep 13, 1988·5 cites·11 claims
- 1337US2007235925A1Constant lead edge paper inverter systemXEROX CORP·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →