Siegfried Woerner

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Stuttgart, DE

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Patents Grantslast 30 patents

Information Patent Grant
Metalized recording carrier for recording instruments, and method o...
- Patent number RE31827
- Issue date Feb 5, 1985
- Robert Bosch GmbH
- Richard Hohn
- 346 - Recorders
Information Patent Grant
Metalized recording carrier for recording instruments, and method o...
- Patent number 4,371,879
- Issue date Feb 1, 1983
- Robert Bosch, GmbH
- Richard Hohn
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS