Helmut Erhard

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Volkach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Printer for printing compact discs (CD)
- Patent number 5,806,420
- Issue date Sep 15, 1998
- Metronic Geratebau GmbH & Co.
- Helmut Erhard
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing device for printing plastic cards
- Patent number 5,558,021
- Issue date Sep 24, 1996
- Metronic Geratebau GmbH & Co.
- Helmut Erhard
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS