Assignee
NOCOPI INC
US·2 granted patents·50 citations·filing 1982–1983
Top patents by PatentIndex Score
2 records- 0185US4522429AMethod of rendering documents resistant to photocopying, and anti-copying paper and ink thereforNOCOPI INC·Filed 1982·Granted Jun 11, 1985·39 cites·33 claims
- 0249US4632429AMethod of rendering documents resistant to photocopying and anti-copying paper thereforNOCOPI INC·Filed 1983·Granted Dec 30, 1986·11 cites·18 claims
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