Edward E. Freyenhagen

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Keene, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating printing apparatus with tangential inking arrangement
- Patent number 5,515,780
- Issue date May 14, 1996
- Markem Corporation
- James M. Cheever
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Printing or marking apparatus with exchangeable heating structure
- Patent number 5,450,793
- Issue date Sep 19, 1995
- Markem Corporation
- Thomas W. Dobson
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS