Patents by Inventor Bernhardt Helmke, III

Bernhardt Helmke, III 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: D461574
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: August 13, 2002
    Inventor: Bernhardt Helmke, III