Patents by Inventor Brett W. Renck

Brett W. Renck 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).

  • Refrigerant recovery machine
    Patent number: D377179
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: January 7, 1997
    Assignee: Promax Amprobe Division of Core Industries, Inc.
    Inventors: Greg S. Sundheim, Brett W. Renck, Michael J. Ralph, John M. Sundheim