Assignee
NOCOPI INT LTD
CA·3 granted patents·80 citations·filing 1990–1992
Top patents by PatentIndex Score
3 records- 0171US5338066AMethod and security substrate for protecting against duplication with a color copierNOCOPI INT LTD·Filed 1992·Granted Aug 16, 1994·29 cites·2 claims
- 0259US5290068ADocument security method and systemNOCOPI INT LTD·Filed 1990·Granted Mar 1, 1994·30 cites·45 claims
- 0352US5338067ASwitchon-switchoff, multistate, interactive, antiphotocopying antifraud and antifaxing systemNOCOPI INT LTD·Filed 1991·Granted Aug 16, 1994·21 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →