Patents by Inventor William L. Freeman

William L. Freeman 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).

  • Pocket can opener
    Patent number: 4279077
    Abstract: A relatively flat and entirely portable can lid removing device comprising can end retaining structure which permits relative rotation of the can and the lid removing device, a can lid cutter which cuts the lid from the remainder of the can during the mentioned relative rotation and creates no sharp edges or burrs in the process, so that the remainder of the can may be used as a container, e.g. a drinking can.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: July 21, 1981
    Inventor: William L. Freeman