-
Authenticated barcode pattern
-
Patent number 11,620,658
-
Issue date Apr 4, 2023
-
PROOF AUTHENTICATION CORPORATION
-
Michael Caton
-
G06 - COMPUTING CALCULATING COUNTING
-
Authentication hologram
-
Patent number 11,167,581
-
Issue date Nov 9, 2021
-
PROOF AUTHENTICATION CORPORATION
-
David M. Wicker
-
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
-
Authenticated barcode patterns
-
Patent number 10,552,846
-
Issue date Feb 4, 2020
-
Document Security Systems, Inc.
-
Michael Caton
-
G06 - COMPUTING CALCULATING COUNTING
-
-
Barcode copy protection system
-
Patent number 9,311,583
-
Issue date Apr 12, 2016
-
Document Security Systems, Inc.
-
Nicole Acton
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
-
-
Double-blind security features
-
Patent number 7,976,068
-
Issue date Jul 12, 2011
-
Document Security Systems, Inc.
-
Thomas M. Wicker
-
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
-
Solid-color embedded security feature
-
Patent number 7,845,572
-
Issue date Dec 7, 2010
-
Document Security Systems, Inc.
-
David Michael Wicker
-
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER