Inventor · disambiguated record
David I. Dunthorn
Also filed as: DUNTHORN DAVID I
4 granted patents·1,224 citations·filing 1988–2002
85Inventor score
Top patents by PatentIndex Score
4 records- 0195US4914624AVirtual button for touch screenDUNTHORN DAVID I·Filed 1988·Granted Apr 3, 1990·673 cites·22 claims
- 0294US5317140ADiffusion-assisted position location particularly for visual pen detectionDUNTHORN DAVID I·Filed 1992·Granted May 31, 1994·452 cites·40 claims
- 0374US6751564B2Waveform analysisFiled 2002·Granted Jun 15, 2004·22 cites·27 claims
- 0474US5045644ATouch sensitive screen with improved corner responseELOGRAPHICS INC·Filed 1990·Granted Sep 3, 1991·77 cites·11 claims
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