Patents by Inventor Craig A. Hiatt

Craig A. Hiatt 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: 5809854
    Abstract: A boring bar device comprising an elongated shank and a chisel head. The shank and chisel head are connected by a mating V-shaped cross-sectional joint wherein a solder shim of a predetermined composition is utilized in conjunction with a brazing process to connect the chisel head to the elongated shank to provide the boring bar device of the invention.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: September 22, 1998
    Assignee: National Tooling & Machining, Inc.
    Inventors: Robert C. Thielen, Craig A. Hiatt