Patents by Inventor Warren J. Osborne

Warren J. Osborne 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).

  • Patent number: 6256887
    Abstract: A knife has a locking arm with a laterally displacing spring bias that retains the locking arm in a notch on the blade of the knife when the knife is in the open position. A lateral displacement of the locking arm is required to close the knife.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: July 10, 2001
    Inventor: Warren J. Osborne