Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roy Kristiansen0
Jan Gisle Berger0
Johan Horsrud0
Ulf Tolfsen0
Date of Patent
March 16, 2010
Patent Application Number
11100627
Date Filed
April 7, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention relates to a helmet, comprising an external shell (9) and an impact-absorbing helmet liner (10) in which the helmet liner comprises a layer provided with protruding, deformable and impact-absorbing hollow knobs (7) distributed on an substantial part of the surface of the helmet liner as a protective layer.
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