Peter R. Szigeti

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Buettelborn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Plastic sheet or plate with flameproofing means
- Patent number 5,230,955
- Issue date Jul 27, 1993
- Rohm GmbH Chemische Fabrik
- Otto Diroll
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polishing plate and method for polishing surfaces
- Patent number 4,490,948
- Issue date Jan 1, 1985
- Rohm GmbH
- Friedrich Hanstein
- B24 - GRINDING POLISHING