Patents by Inventor Michael John Rahr

Michael John Rahr 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: D389403
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: January 20, 1998
    Assignee: Symbiotic Sampling Ltd.
    Inventor: Michael John Rahr