Patents by Inventor Denis M. J. Opinel

Denis M. J. Opinel 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).

  • Folding knife
    Patent number: 5153995
    Abstract: This invention relates to a folding knife including a blade having a heel pivotally mounted onto an intermediate member made of plastic or composite material, provided with a blade-spring co-operating with the blade heel, and inserted, then stuck within a recess provided in one end of a wooden handle.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: October 13, 1992
    Assignee: Etablissements Joseph Opinel & Cie
    Inventor: Denis M. J. Opinel