Patents by Inventor Olin Slater

Olin Slater 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: 4591148
    Abstract: A portable clamp and anchor to restrain feet during sit-up exercises having two clamp pieces which are adjustably positioned on the bottom of a door and a foot restraining piece which is adjustably positioned relative to the clamp pieces. Hook and loop fasteners are used to connect the pieces together during use.
    Type: Grant
    Filed: July 6, 1984
    Date of Patent: May 27, 1986
    Inventor: Olin Slater