Patents by Inventor Linda L. Witherspoon

Linda L. Witherspoon 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).

  • Wafer handling and placement tool
    Patent number: 4717190
    Abstract: A spring arm tool is provided for clamp engaging and supporting wafers while the tool is hand held. The tool includes a pair of relatively swingable jaw element supporting support arms and the jaw elements are notched to enjoy multiple point contact with a wafer peripheral portion. Also, one disclosed form of the tool includes remotely operable workpiece ejecting structure carried by the jaw elements thereof.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: January 5, 1988
    Inventor: Linda L. Witherspoon