C-Lock, Inc.

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Stamford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for connecting ring-binder with folder
- Patent number 5,649,799
- Issue date Jul 22, 1997
- C-Lock, Inc.
- Theo A. Constantine
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Molded plastic one-piece loose-leaf binder ring structure
- Patent number 5,618,122
- Issue date Apr 8, 1997
- C-Lock, Inc.
- Arthur T. Constantine
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER