Roy Kristiansen

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Gralum, NO

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Patents Grantslast 30 patents

Information Patent Grant
Helmet, helmet liner and method for manufacturing the same
- Patent number 7,676,854
- Issue date Mar 16, 2010
- Crescendo AS
- Jan Gisle Berger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Walker
- Patent number D503909
- Issue date Apr 12, 2005
- Acess AS
- Ulf Tolfsen
- D12 - Transportation

Patents Applicationslast 30 patents

Information Patent Application
Helmet, helmet liner and method for manufacturing the same
- Publication number 20050246824
- Publication date Nov 10, 2005
- CRESCENDO AS
- Jan Gisle Berger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL