Patents by Inventor Ronald E. Roberts

Ronald E. Roberts 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).

  • Automatic corner welding adapter
    Patent number: 4745259
    Abstract: A device to which may be attached plates to be welded along a common corner line edge and a welding torch driven by a lead screw such that the plates are fuze welded together beginning and ending at arbitrary preset locations.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: May 17, 1988
    Inventors: Wray H. Russ, Ronald E. Roberts