Patents by Inventor John I. Robic

John I. Robic 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).

  • Distortion free heat treated metal stampings
    Patent number: 5672216
    Abstract: A method of fabricating sheet metal parts comprising the steps of: stamping a pair of overlying metal sheets together to form a pair of stampings, heat treating the stampings, clamping the stampings together to correct distortion of the stampings during the heat treatment and welding the clamped stampings together to produce the part.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: September 30, 1997
    Inventor: John I. Robic