David N. Clay

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Flower Mound, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Ink fountain mechanism
- Patent number 6,802,255
- Issue date Oct 12, 2004
- Color Control Corp.
- James J. Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink receptive dampening system for lithographic printing press
- Patent number 5,865,116
- Issue date Feb 2, 1999
- James J. Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Ink fountain mechanism
- Publication number 20040107853
- Publication date Jun 10, 2004
- James J. Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS