Oskar M. Schmitt

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Stolberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Powdery hydrophobic filler for bituminized traffic surfaces
- Patent number 5,453,212
- Issue date Sep 26, 1995
- ChemischeFabrik Gruenau GmbH
- Dieter Annemaier
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Method for the preparation of a fine-grained mixture having hydroph...
- Patent number 5,114,475
- Issue date May 19, 1992
- Mannesmann Aktiengesellschaft
- Werner Siegmund
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES