Gerhard J. A. Kennepohl

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Oakville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for continuous preparation of sulfur asphalt binders and...
- Patent number 4,155,654
- Issue date May 22, 1979
- Gulf Canada Limited
- Gerhard J. A. Kennepohl
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Built-up roofing using sulfur asphalt
- Patent number 4,135,022
- Issue date Jan 16, 1979
- Gulf Canada Limited
- Gerhard J. A. Kennepohl
- E04 - BUILDING
Information Patent Grant
Asphalt impregnated felt building materials
- Patent number 4,079,158
- Issue date Mar 14, 1978
- Gulf Oil Canada Limited
- Gerhard J. A. Kennepohl
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...