Patents by Inventor James A. DeCarteret

James A. DeCarteret 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).

  • Hole saw
    Patent number: 4422811
    Abstract: A new and improved hole saw construction providing a low cost hole saw mandrel with improved driving capability. A unique drive washer cooperates with radial stiffening ribs on a hole saw blade to effect the improved driving capability.
    Type: Grant
    Filed: January 16, 1981
    Date of Patent: December 27, 1983
    Assignee: Ingersoll-Rand Company
    Inventors: Bruce Ellison, James A. DeCarteret