Patents by Inventor Dirk C. Onweiler

Dirk C. Onweiler 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).

  • Patent number: D322738
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: December 31, 1991
    Inventor: Dirk C. Onweiler