-
-
-
-
-
-
-
-
Secure card and sensing system
-
Patent number 4,734,695
-
Issue date Mar 29, 1988
-
Light Signatures, Inc.
-
Robert N. Goldman
-
G06 - COMPUTING CALCULATING COUNTING
-
-
-
-
-
Secure card and sensing system
-
Patent number 4,656,473
-
Issue date Apr 7, 1987
-
Light Signatures, Inc.
-
Robert N. Goldman
-
G06 - COMPUTING CALCULATING COUNTING
-
-
-
-
-
-
-
-
-
Check authorization system
-
Patent number RE30579
-
Issue date Apr 14, 1981
-
Telecredit, Inc.
-
Robert N. Goldman
-
340 - Communications: electrical
-
Check authorization system
-
Patent number RE30580
-
Issue date Apr 14, 1981
-
Telecredit, Inc.
-
Robert N. Goldman
-
340 - Communications: electrical
-
-
Credit verification system
-
Patent number 3,982,103
-
Issue date Sep 21, 1976
-
Telecredit, Inc.
-
Robert N. Goldman
-
G06 - COMPUTING CALCULATING COUNTING