Patents by Inventor Philip M. Stephens

Philip M. Stephens 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).

  • Change stroller accessory container
    Patent number: D348638
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: July 12, 1994
    Inventors: Linton Mathews, Teresa L. Mathews, Philip M. Stephens
  • Change stroller with an accessory container
    Patent number: D349668
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: August 16, 1994
    Inventors: Linton Mathews, Teresa L. Mathews, Philip M. Stephens
  • Change stroller accessory container
    Patent number: D349669
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: August 16, 1994
    Inventors: Linton Mathews, Teresa L. Mathews, Philip M. Stephens
  • Change stroller
    Patent number: D355873
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: February 28, 1995
    Inventors: Linton Mathews, Philip M. Stephens
  • Change stroller
    Patent number: D370328
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: May 28, 1996
    Inventors: Linton Mathews, Philip M. Stephens