US Patent 6854133 Protective headgear for whitewater use
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Patent abstract
Protective headgear configured for protection of a portion of a wearer's head, including a resilient outer shell, a layered composite liner including a multiplicity of deformable layers, each layer having a different stiffness than adjacent layers, and wherein a layer has a higher stiffness than that of adjacent layers on either side, and a retention system configured to resist upward/rearward rotation of the headgear with respect to the wearer's head to expose the forehead, due to hydrodynamic or aerodynamic forces.
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Patent Inventor Names
Andrew F. Conn0
Chang Lee0
Michael C. Cordeiro0
Date of Patent
February 15, 2005
0Patent Application Number
104387540
Date Filed
May 14, 2003
0Patent Primary Examiner
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US Patent 6854133 Protective headgear for whitewater use
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