Patents by Inventor William S. Lightbody

William S. Lightbody 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).

  • Exercise machine
    Publication number: 20040063551
    Abstract: In an exercise machine having a resistance, the improvement of means to impart an inertial quality to the resistance.
    Type: Application
    Filed: September 30, 2003
    Publication date: April 1, 2004
    Inventor: William S. Lightbody
  • Exercise machine
    Patent number: 6626805
    Abstract: In an exercise machine having a weight type resistance for use with a repetitive exercise having a desired parameter such as time per repetition or desired heart rate of the exerciser, the improvement of means to determine the actual values of the parameter and to then automatically continually adjust the value of the resistance so as to keep the exercise within the desired parameter within acceptable values. The means also imparts an inertial quality to the resistance.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: September 30, 2003
    Inventor: William S. Lightbody
  • Apparatus and method for testing circuit boards
    Patent number: 4528500
    Abstract: This invention relates to an apparatus and method for locating a pin board in respect to a matrix testing jig in a test fixture for printed circuit boards.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: July 9, 1985
    Inventors: James D. Lightbody, William S. Lightbody
  • Apparatus and method for testing circuit boards
    Patent number: 4443756
    Abstract: An apparatus for testing circuit boards is disclosed. The apparatus uses double ended electrically conductive pins inserted in a physically programmable pin board in combination with a direct hard wired constant matrix pin board and a programmable comparison device to form the testing apparatus for use in testing circuit boards.
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: April 17, 1984
    Inventors: James D. Lightbody, William S. Lightbody