William E. Maxwell

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Keene, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Marking apparatus with detection of excessive marking pressure
- Patent number 5,503,070
- Issue date Apr 2, 1996
- Markem Corporation
- James M. Cheever
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Rotary offset article printing system
- Patent number 4,271,757
- Issue date Jun 9, 1981
- Markem Corporation
- William E. Maxwell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS