Inventor · disambiguated record
Patrick Charles
Also filed as: CHARLES PATRICK · CHARLES PATRICK D
3 granted patents·101 citations·filing 1992–2002
74Inventor score
Top patents by PatentIndex Score
3 records- 0177US5602941AInput modification system for multilevel ditheringDIGITAL EQUIPMENT CORP·Filed 1993·Granted Feb 11, 1997·44 cites·30 claims
- 0272US5307292AMethod of quantifying the topographic structure of a surfaceBROWN CHRISTOPHER A·Filed 1992·Granted Apr 26, 1994·53 cites·14 claims
- 0352US7235282B2Method of treating the surface of an aged PVC objectSOLVAY·Filed 2002·Granted Jun 26, 2007·4 cites·21 claims
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