Richard Carden

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Canaan, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual reservoir and valve system for an ink jet head
- Patent number 5,189,438
- Issue date Feb 23, 1993
- Spectra, Inc.
- Nathan P. Hine
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink supply system for an ink jet head
- Patent number 4,937,598
- Issue date Jun 26, 1990
- Spectra, Inc.
- Nathan P. Hine
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS