Inventor · disambiguated record
Donald Stewart
Also filed as: STEWART DONALD · STEWART DONALD E · STEWART SR DONALD E
5 granted patents·134 citations·filing 1977–1992
83Inventor score
Top patents by PatentIndex Score
5 records- 0189US4173408ADemand publishing royalty accounting system for an electrostatic copierXEROX CORP·Filed 1977·Granted Nov 6, 1979·34 cites·19 claims
- 0287US4174174AComposing reducing cameraXEROX CORP·Filed 1977·Granted Nov 13, 1979·24 cites·4 claims
- 0382US4937445AApparatus for determining the distances of points on a surface from a reference axisSOFTAC SYSTEMS LTD·Filed 1987·Granted Jun 26, 1990·45 cites·20 claims
- 0459USRE34749EApparatus for determining the distances of points on a surface from a reference axisSOFTAC SYSTEMS LTD·Filed 1992·Granted Oct 4, 1994·20 cites·21 claims
- 0540US4248043AApparatus for storing energy and generating electricitySTEWART DONALD E SR·Filed 1978·Granted Feb 3, 1981·11 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →