Karl H. Lonnecke

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Bremen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for locating operational surfaces on a trac...
- Patent number 4,970,773
- Issue date Nov 20, 1990
- Dyckerhoff & Widmann Aktiengesellschaft
- Wilhelm Buchler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Apparatus for forming slide surfaces on track for electromagnetical...
- Patent number 4,905,359
- Issue date Mar 6, 1990
- Dyckerhoff & Widmann Aktiengesellschaft
- Lorenz Maier
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of the formation of slide surfaces on a track for electromag...
- Patent number 4,856,173
- Issue date Aug 15, 1989
- Dyckerhoff & Widmann Aktiengesellschaft
- Lorenz Maier
- B28 - WORKING CEMENT, CLAY, OR STONE