Frye Copystystems, Inc.

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Carbon paper and method for making same
- Patent number 5,384,199
- Issue date Jan 24, 1995
- Frye Copystystems, Inc.
- Gene D. Carlson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS