Patents by Inventor William P. Mulka

William P. Mulka 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).

  • Horizontally divided cart
    Patent number: D578270
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: October 7, 2008
    Inventors: William P. Mulka, Donald R. Eaton
  • Easy-roll scooter cart
    Patent number: D578724
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: October 14, 2008
    Inventors: William P. Mulka, Donald R. Eaton
  • Cooler cart
    Patent number: D581124
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: November 18, 2008
    Inventors: William P. Mulka, Donald R. Eaton
  • Vertically divided cart
    Patent number: D609422
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: February 2, 2010
    Inventors: William P. Mulka, Donald R. Eaton