Harry Roberts

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Merrimack, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Print-head and plate-cleaning assembly
- Patent number 5,148,746
- Issue date Sep 22, 1992
- Presstek, Inc.
- Douglas D Fuller
- B08 - CLEANING
Information Patent Grant
Spark-discharge recording head with position sensor and control for...
- Patent number 5,121,688
- Issue date Jun 16, 1992
- Presstek, Inc.
- Richard A. Williams
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pitch and roll adjustment for print-head assembly
- Patent number 5,103,731
- Issue date Apr 14, 1992
- Presstek, Inc.
- Richard A. Williams
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS