Patents by Inventor L. D. Livesay

L. D. Livesay 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 a multi-function manual controller
    Patent number: 5880418
    Abstract: Right and left handpieces have five manually operated control switches each and are pivotally connected, face-to-face, with contactors in each handpiece face contacting contacts in the other to provide a plurality of sets of discreet signals as the handpieces are pivotally repositioned.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: March 9, 1999
    Inventor: L. D. Livesay