Patents by Inventor Philip N. Simmons

Philip N. Simmons 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).

  • Shirt
    Patent number: D269221
    Type: Grant
    Filed: April 16, 1981
    Date of Patent: June 7, 1983
    Inventors: Presley H. Portwood, Philip N. Simmons, Sandra L. Coppage
  • Shirt
    Patent number: D276664
    Type: Grant
    Filed: October 18, 1982
    Date of Patent: December 11, 1984
    Inventors: Presley H. Portwood, Philip N. Simmons, Sandra L. Coppage