Patents by Inventor Thomas M. Frisby

Thomas M. Frisby 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).

  • Method and apparatus for cutting a pattern in material
    Patent number: 4608891
    Abstract: A system for automatically cutting a pattern in a material wherein a cutting blade is rotatably mounted in a holder which is also rotatably mounted in a tube. The holder also has limited linear movement in each direction within the tube. The tube is mounted to computer controlled apparatus and is moved in the desired pattern over the material to cut the pattern in the material.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: September 2, 1986
    Assignee: ESAB North America, Incorporated
    Inventors: Thomas M. Frisby, Gordon L. Brooks