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Patents Grantslast 30 patents

Information Patent Grant
Ticket/pass formed of a cut optical disk and process of forming and...
- Patent number 6,288,996
- Issue date Sep 11, 2001
- Shape CD, Inc.
- Alan Siegel
- G07 - CHECKING-DEVICES
Information Patent Grant
Puncher and method of controlling the puncher
- Patent number 5,019,695
- Issue date May 28, 1991
- Kabushiki Kaisha Nippon Conlux
- Eiji Itako
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ticket taking system
- Patent number 4,086,475
- Issue date Apr 25, 1978
- William M. Churchill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
3780844
- Patent number 3,780,844
- Issue date Dec 25, 1973
- G07 - CHECKING-DEVICES
Information Patent Grant
2238527
- Patent number 2,238,527
- Issue date Apr 15, 1941
- G07 - CHECKING-DEVICES
Information Patent Grant
1670522
- Patent number 1,670,522
- Issue date May 22, 1928
- G07 - CHECKING-DEVICES