Inventor · disambiguated record
Donald Schaeffer
Also filed as: SCHAEFFER DONALD · SCHAEFFER DONALD JOSEPH · SCHAEFFER DONALD W
3 granted patents·1 pending application·166 citations·filing 1982–2002
75Inventor score
Top patents by PatentIndex Score
4 records- 0179US4468114AHigher productivity recirculative document copyingXEROX CORP·Filed 1982·Granted Aug 28, 1984·23 cites·6 claims
- 0261US5970801AVariable orifice flow sensorBEAR MED SYST INC·Filed 1997·Granted Oct 26, 1999·130 cites·34 claims
- 0360US4745438AAutomatic copier show-around erase systemXEROX CORP·Filed 1986·Granted May 17, 1988·13 cites·5 claims
- 0435US2003062990A1Powerline bridge apparatusFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →