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OPTICAL SECURITY GROUP, INC
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DENVER, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength selective coatings for optical disc security
Patent number
7,269,123
Issue date
Sep 11, 2007
Optical Security Group, Inc.
Nigel Abraham
G11 - INFORMATION STORAGE
Information
Patent Grant
Tamper resistant vehicular validation tab and associated method
Patent number
6,129,975
Issue date
Oct 10, 2000
Optical Security Group, Inc.
Yoram Curiel
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Tamper resistant vehicular validation tab having differential adhes...
Patent number
5,948,555
Issue date
Sep 7, 1999
Optical Security Group, Inc.
Yoram Curiel
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Tamper evident and counterfeit resisting informational article and...
Patent number
5,913,543
Issue date
Jun 22, 1999
Optical Security Group, Inc.
Yoram Curiel
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Informational article and an associated method
Patent number
5,763,052
Issue date
Jun 9, 1998
Optical Security Group, Inc.
Michael S. Carr
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Informational article and an associated method
Patent number
5,716,482
Issue date
Feb 10, 1998
Optical Security Group, Inc.
Michael S. Carr
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Tamper evident and counterfeit resisting informational article and...
Patent number
5,704,652
Issue date
Jan 6, 1998
Optical Security Group, Inc.
Yoram Curiel
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method of making tamper evident and counterfeit resisting informati...
Patent number
5,595,624
Issue date
Jan 21, 1997
Optical Security Group, Inc.
Yoram Curiel
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75674423 - SECURE THREAD
Serial number
75674423
Filing date
Apr 5, 1999
Optical Security Group, Inc.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes