Patents by Inventor Kenneth R. Perkins

Kenneth R. Perkins 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: 4531785
    Abstract: A roller skate wheel assembly is disclosed comprising a skate axle subassembly and a detachable skate wheel with the subassembly having an anti-friction bearing unit securely mounted on the axle and the skate wheel having a hub portion with an annular insert to snugly receive the bearing unit and a detachable locking ring to engage the wheel insert and secure the skate wheel to the bearing unit.
    Type: Grant
    Filed: November 29, 1982
    Date of Patent: July 30, 1985
    Inventor: Kenneth R. Perkins