Patents by Inventor Robert D. McRay

Robert D. McRay 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).

  • Technique for elimination of static in printed circuit board test fixtures
    Patent number: 4814698
    Abstract: A test fixture for use in computerized automatic test equipment for checking printed circuit boards. Substances are used to constitute some of the test fixture parts and to coat others which are effective in preventing damage from electrostatic charges. The substance must be permanent, substantially independent of humidity for its antistatic characteristics, and have a resistivity in the range of 10.sup.5 -10.sup.10 ohms/sq.
    Type: Grant
    Filed: October 14, 1987
    Date of Patent: March 21, 1989
    Assignee: Everett/Charles Contact Products, Inc.
    Inventors: Gary F. St. Onge, Robert D. McRay