Assignee
SPRAGUE ROBERT
US·8 granted patents·717 citations·filing 1984–2012
Top patents by PatentIndex Score
8 records- 0198US9460666B2Driving methods and waveforms for electrophoretic displaysSPRAGUE ROBERT·Filed 2010·Granted Oct 4, 2016·108 cites·7 claims
- 0298US9373289B2Driving methods and circuit for bi-stable displaysSPRAGUE ROBERT·Filed 2012·Granted Jun 21, 2016·109 cites·6 claims
- 0398US8786935B2Color electrophoretic displaySPRAGUE ROBERT·Filed 2012·Granted Jul 22, 2014·123 cites·20 claims
- 0498US8730153B2Driving bistable displaysSPRAGUE ROBERT·Filed 2012·Granted May 20, 2014·108 cites·44 claims
- 0598US8243013B1Driving bistable displaysSPRAGUE ROBERT·Filed 2008·Granted Aug 14, 2012·190 cites·41 claims
- 0680US4650423AMethod of teaching and transcribing of language through the use of a periodic code of language elementsSPRAGUE ROBERT·Filed 1984·Granted Mar 17, 1987·37 cites·14 claims
- 0764US4768959AMethod of teaching and transcribing of language through the use of a periodic code of language elementsSPRAGUE ROBERT·Filed 1986·Granted Sep 6, 1988·27 cites·7 claims
- 0849US4795349ACoded font keyboard apparatusSPRAGUE ROBERT·Filed 1987·Granted Jan 3, 1989·15 cites·2 claims
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