Patents by Inventor Hal Campbell

Hal Campbell 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).

  • Combined barbecue grill and cart
    Patent number: D416164
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: November 9, 1999
    Assignee: W. C. Bradley Co.
    Inventors: Wesley J. Wagner, Brian Coleman, Ted Bacon, Ron Hurst, Hal Campbell