Inventor · disambiguated record
David L. Copham
Also filed as: COPHAM DAVID L
3 granted patents·79 citations·filing 1990–1993
70Inventor score
Top patents by PatentIndex Score
3 records- 0172US5085417AMethod of encoding stacks of printed materialLIBERTY SHARE DRAFT AND CHECK·Filed 1991·Granted Feb 4, 1992·70 cites·24 claims
- 0230US5020434ABase stock for series checks and the like and a method or printing the sameBASE STOCK PRESS INC·Filed 1990·Granted Jun 4, 1991·5 cites·21 claims
- 0314US5353574ASystem and device for preparing checks for deliveryLIBERTY SHARE DRAFT & CHECK PR·Filed 1993·Granted Oct 11, 1994·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →