Patents by Inventor Harold E. Seamans

Harold E. Seamans 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).

  • Crutch support apparatus
    Patent number: D339678
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: September 28, 1993
    Inventor: Harold E. Seamans