Patents by Inventor Michael D. Colburn

Michael D. Colburn 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).

  • Deburring system
    Patent number: 4599020
    Abstract: Automatic backfeed deburring system for holes drilled through non-planar hole end surfaces wherein axially resilient float in the deburring tools accommodate axial variations in the hole burr edges.
    Type: Grant
    Filed: August 23, 1984
    Date of Patent: July 8, 1986
    Assignee: Cargill Detroit Corporation
    Inventor: Michael D. Colburn