Patents by Inventor Allen C. Hertzog

Allen C. Hertzog 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).

  • Dart board
    Patent number: D321015
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: October 22, 1991
    Inventor: Allen C. Hertzog
  • Bracket
    Patent number: D376749
    Type: Grant
    Filed: February 15, 1995
    Date of Patent: December 24, 1996
    Inventor: Allen C. Hertzog