Karl Kortmann

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48465 Schuettorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Concrete block, in particular for paving a petrol station or the like
- Patent number 6,340,267
- Issue date Jan 22, 2002
- Karl Kortmann
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Sewer construction
- Patent number 6,089,254
- Issue date Jul 18, 2000
- Karl Kortmann
- E03 - WATER SUPPLY SEWERAGE