Patents by Inventor Raymond K. Barwin

Raymond K. Barwin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ski edge
    Patent number: 4175766
    Abstract: A ski edge has an undercut or hollow forming an inner wall providing greater control and edge grip while skiing particularly on hard snow or ice when executing a turn or stopping. The undercut also provides an edge which retains its grip or "bite" by remaining sharp many times longer than conventional edges.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: November 27, 1979
    Inventor: Raymond K. Barwin