Felix Wehrmann

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Patents Grantslast 30 patents

Information Patent Grant
Coating system and its use for producing polyurethane acrylate surf...
- Patent number 5,976,304
- Issue date Nov 2, 1999
- Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
- Michael Horvath
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Building elements and their preparation
- Patent number RE31421
- Issue date Oct 18, 1983
- Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
- Felix Wehrmann
- 521 - Synthetic resins or natural rubbers
Information Patent Grant
Building material elements, particularly building boards, and a pro...
- Patent number 4,201,833
- Issue date May 6, 1980
- Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
- Kurt Kirsch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Building elements and their preparation
- Patent number 4,191,667
- Issue date Mar 4, 1980
- Isovolta, Osterreichische Isolierstoffwerke Aktiengesellschaft
- Felix Wehrmann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL