Patents by Inventor James E. Spence

James E. Spence 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).

  • Workpiece handler
    Patent number: 5169132
    Abstract: Substrate handling apparatus includes a trigger handle which forms a trigger-like mechanism with a handle grip. The trigger handle is interconnected with activation means such that application of pressure on the trigger handle activates the activation means.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: December 8, 1992
    Assignee: International Business Machines Corporation
    Inventors: Charles C. Myers, James E. Spence