Patents by Inventor Frederick J. Kroft

Frederick J. Kroft 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: 4057125
    Abstract: A service platform for removable mounting on a vehicle bumper includes a generally planar platform member with means for engaging the bumper for supporting and locking the platform thereto in a substantially horizontal plane and for permitting unlocking and removal from the bumper when the platform is moved to a substantially vertical plane.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: November 8, 1977
    Inventor: Frederick J. Kroft