Siegfried Pikhardt

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Roetgen, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for producing a plastic layer of high optical qu...
- Patent number 5,296,303
- Issue date Mar 22, 1994
- Saint-Gobain Vitrage
- Jean-Louis Bravet
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and device for spraying a reaction mixture capable of formi...
- Patent number 4,871,579
- Issue date Oct 3, 1989
- Saint-Gobain Vitrage
- Jean-Louis Bravet
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and device for spraying a reaction mixture capable of formi...
- Patent number 4,783,344
- Issue date Nov 8, 1988
- Saint-Gobain Vitrage
- Jean-Louis Bravet
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and device for producing a plastic layer of high optical qu...
- Patent number 4,749,586
- Issue date Jun 7, 1988
- Saint-Gobain Vitrage
- Jean-Louis Bravet
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL