Patents by Inventor Randle L. Rigsby

Randle L. Rigsby 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: 4181339
    Abstract: A stopper device for being mountable upon a door knob, and which serves as a bumper for limiting the pivotal travel of the door, thereby preventing a hard door knob bumping against a wall and damaging the same, the stopper device being made of a resilient material, such as either acrylic, plastic or rubber, which absorbs the shock upon impact with the wall, in order to not injure the same, the stopper consisting of a sheath that encloses the door knob.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: January 1, 1980
    Inventor: Randle L. Rigsby
  • Patent number: 4052059
    Abstract: A hockey stick accessory comprising a knob of generally spherical shape and which is mountable along any selected portion of hockey stick handle portion so to give an improved grip to the hands of a hockey player when swinging the hockey stick.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: October 4, 1977
    Inventor: Randle L. Rigsby