Patents by Inventor William W. Ryan

William W. Ryan 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: 4817221
    Abstract: A multipurpose tool particularly suitable for use by woodsmen comprising a blade portion which can be gripped in the hand and used as a hand tool for various purposes such as sawing, cutting, bottle or can opening, and wire stripping. The tool also includes an elongate slotted handle portion which fits between laterally projecting guide members secured to the blade portion so that when the blade and handle portions are attached together, the tool can be used as a hatchet.
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: April 4, 1989
    Inventor: William W. Ryan