Michael Schmitz

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77815 Buhl, DE

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Patents Grantslast 30 patents

Information Patent Grant
Anchoring of outdoor traffic areas provided with cobblestones or pa...
- Patent number 6,171,015
- Issue date Jan 9, 2001
- F. Von Langsdorff Licensing Limited
- Gunter Barth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Paving stone
- Patent number D431305
- Issue date Sep 26, 2000
- F. Von Langsdorff Licensing Ltd.
- Gunter Barth
- D25 - Building units and construction elements
Information Patent Grant
Paving stone
- Patent number D425628
- Issue date May 23, 2000
- Gunter Barth
- D25 - Building units and construction elements
Information Patent Grant
Artificial paving stone with identical spacer elements having a too...
- Patent number 5,902,069
- Issue date May 11, 1999
- F. Von Langsdorff Licensing Limited
- Gunter Barth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Paving element
- Patent number D404836
- Issue date Jan 26, 1999
- F. Von Langsdorff Licensing Ltd.
- Gunter Barth
- D25 - Building units and construction elements
Information Patent Grant
Paving elements for the water-permeable reinforcement of surfaces
- Patent number 5,797,698
- Issue date Aug 25, 1998
- F. Von Langsdorff Licensing Ltd.
- Gunter Barth
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Paving element
- Patent number D389926
- Issue date Jan 27, 1998
- Gunter Barth
- D25 - Building units and construction elements