Patents by Inventor Ralph R. Piro

Ralph R. Piro 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).

  • Pat on the back apparatus
    Patent number: 4608967
    Abstract: A self-congratulatory apparatus having a simulated human hand carried on a pivoting arm suspended form shoulder supported member. The hand is manually swingable into and out of contact with the user's back to give an amusing or an important pat-on-the-back.
    Type: Grant
    Filed: May 31, 1985
    Date of Patent: September 2, 1986
    Inventor: Ralph R. Piro