Patents by Inventor Louis James Perry

Louis James Perry 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).

  • Detection system for machine tools
    Patent number: 4056329
    Abstract: A detecting device and control system for use with machine tools to detect the breakage of a tool bit, the presence or absence of a portion of a workpiece, and other improper conditions that might result in the production of imperfect work, and to prevent normal operation of the machine whenever any such conditons exist.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: November 1, 1977
    Assignee: Invo Spline, Inc.
    Inventor: Louis James Perry