Patents by Inventor Douglas G. Opitz

Douglas G. Opitz 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).

  • Motorcycle ignition switch cover
    Patent number: D290245
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: June 9, 1987
    Assignee: Harley-Davidson, Inc.
    Inventor: Douglas G. Opitz
  • Cable boot
    Patent number: D294486
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: March 1, 1988
    Assignee: Harley-Davidson, Inc.
    Inventor: Douglas G. Opitz
  • Motorcycle master cylinder cover
    Patent number: D294685
    Type: Grant
    Filed: June 11, 1985
    Date of Patent: March 15, 1988
    Assignee: Harley-Davidson, Inc.
    Inventor: Douglas G. Opitz
  • Master cylinder cover
    Patent number: D295154
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: April 12, 1988
    Assignee: Harley-Davidson, Inc.
    Inventor: Douglas G. Opitz
  • Motorcycle belt guard cover
    Patent number: D344255
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: February 15, 1994
    Assignee: Harley-Davidson, Inc.
    Inventor: Douglas G. Opitz