John H. Weyer

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Hertfordshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Predicting register mark position with data shifting and coincidenc...
- Patent number 5,223,720
- Issue date Jun 29, 1993
- Harland Crosfield Ltd.
- John H. Weyer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Register mark detection
- Patent number 4,972,088
- Issue date Nov 20, 1990
- Crosfield Electronics Limited
- John H. Weyer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS