Patents by Inventor Richard T. Powers

Richard T. Powers 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).

  • Tampon inserter
    Patent number: D250663
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: December 26, 1978
    Assignee: The Procter & Gamble Company
    Inventors: John R. Koch, Mitchell J. Cohen, Richard T. Powers