Inventor · disambiguated record
Donald W. Zerrien
Also filed as: ZERRIEN DONALD W · ZERRIEN JR DONALD W
4 granted patents·93 citations·filing 1987–2008
77Inventor score
Top patents by PatentIndex Score
4 records- 0191US4814704ARotor position indicator with correction for apparant acceleration and decelerationMOTOROLA INC·Filed 1987·Granted Mar 21, 1989·43 cites·17 claims
- 0278US5041979ABounded synchronous angle counterMOTOROLA INC·Filed 1989·Granted Aug 20, 1991·44 cites·15 claims
- 0358US8707215B2Hand-held device and method for operating a single pointer touch sensitive user interfaceHAMADENE HAFID·Filed 2008·Granted Apr 22, 2014·3 cites·20 claims
- 0455US8265688B2Wireless communication device and split touch sensitive user input surfaceHAMADENE HAFID·Filed 2008·Granted Sep 11, 2012·3 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →