Assignee
DIRECTOR GENERAL PRINTING BURE
4 granted patents·302 citations·filing 1973–1995
Top patents by PatentIndex Score
4 records- 0192US5582103AMethod for making an anti-counterfeit latent image formation object for bills, credit cards, etc.DIRECTOR GENERAL PRINTING BURE·Filed 1995·Granted Dec 10, 1996·153 cites·2 claims
- 0291US5437897AAnti-counterfeit latent image formation object for bills, credit cards, etc. and method for making the sameDIRECTOR GENERAL PRINTING BURE·Filed 1993·Granted Aug 1, 1995·78 cites·12 claims
- 0383US3980018ASpecial intaglio printing process for preventing forgery of securitiesDIRECTOR GENERAL PRINTING BURE·Filed 1973·Granted Sep 14, 1976·43 cites·2 claims
- 0481US5443579APrinted matter and method for printing the sameDIRECTOR GENERAL PRINTING BURE·Filed 1993·Granted Aug 22, 1995·28 cites·24 claims
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