Patents by Inventor Roderick E. Yocum

Roderick E. Yocum 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: 4593947
    Abstract: A vacuum lifting device utilizing a selectively releaseable suction cup with a handle engagable on smooth surfaced articles to be moved. The vacuum lifting device is disengaged from the article by selectively venting the suction cup to atmosphere.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: June 10, 1986
    Inventor: Roderick E. Yocum
  • Patent number: D316069
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: April 9, 1991
    Inventor: Roderick E. Yocum