Rigobert Opitz

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Waldbronn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of monitoring vehicular traffic and of providing information...
- Patent number 5,673,039
- Issue date Sep 30, 1997
- Pietzsch AG
- Heinz Werner Pietzsch
- G08 - SIGNALLING
Information Patent Grant
Method of and a device for safeguarding a vehicle or machinery mova...
- Patent number 4,920,520
- Issue date Apr 24, 1990
- IBP Pietzsch GmbH
- Ewald Gobel
- G05 - CONTROLLING REGULATING