using intaglio printing formes and wipers

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Patents Grantslast 30 patents

Information Patent Grant
Two web gravure dual impression cylinder proofing and sampling pres...
- Patent number 4,305,332
- Issue date Dec 15, 1981
- Hallmark Cards Incorporated
- Kurt A. Pfahl
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2746387
- Patent number 2,746,387
- Issue date May 22, 1956
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
1696280
- Patent number 1,696,280
- Issue date Dec 25, 1928
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS