Franz Wirnitzer

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Flensburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Thermo-sensitive printing sheet comprising a back coating containin...
- Patent number 6,326,330
- Issue date Dec 4, 2001
- Mitsubishi Hitech Paper Flensburg GmbH
- Wolfgang Wagner
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Recording material containing asbestos
- Patent number 4,131,710
- Issue date Dec 26, 1978
- Feldmuhle Aktiengesellschaft
- Guido Dessauer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording material containing gamma-alumina
- Patent number 4,109,048
- Issue date Aug 22, 1978
- Feldmuhle Aktiengesellschaft
- Guido Dessauer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS