John H. Johansen

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East Swanzey, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Print head pressure adjustment mechanism
- Patent number 5,448,281
- Issue date Sep 5, 1995
- Markem Corporation
- Graham D. Walter
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-color thermal transfer printer with arcuate print head arrang...
- Patent number 5,379,056
- Issue date Jan 3, 1995
- Markem Corporation
- Graham D. Walter
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS