Patents by Inventor Joseph File, co-executor

Joseph File, co-executor 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: 4252380
    Abstract: A motor support has a carriage movably mounted by means of gliders, which are cross-sectionally square elongated tubes, that slidably encompass parallel elongated fixed rails on a stationary base bed with plastic or metal bearing sleeves press fitted in the end portions of the glider tubes to bearingly support them on the rails and transfer the motor load on the glider tubes to the rails in a friction free manner with a reservoir of a viscous lubricant within the center portions of the glider tubes.
    Type: Grant
    Filed: February 16, 1979
    Date of Patent: February 24, 1981
    Assignees: Joseph File, Seth A. Hubbard
    Inventors: Jerome J. Sloyan, deceased, Joseph File, co-executor, Seth A. Hubbard, co-executor