Patents by Inventor John J. Geis, Jr.

John J. Geis, Jr. 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).

  • Differential housing cover
    Patent number: 3930421
    Abstract: A differential housing cover for attachment to a standard differential housing having a pair of compression bolts threadably coupled thereto extending within the differential housing; the compression bolts each having a swivel cap in contact with the carrier cap of the differential system for prevention of rear-end failures because of carrier cap breakage.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: January 6, 1976
    Inventor: John J. Geis, Jr.