Patents by Inventor Gordon R. Lange

Gordon R. Lange 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).

  • Highway marker
    Patent number: D253692
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: December 18, 1979
    Assignee: Lighthouse Industries, Inc.
    Inventor: Gordon R. Lange