Patents by Inventor John E. Spurling

John E. Spurling 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).

  • Patent number: 3975805
    Abstract: A guide for slidably accepting opposite edges of an electronic circuit board has a rotating clamp which is open to offer zero frictional resistance when the board is slid into position. The clamp is in effect a bar rotatably mounted in an elongated retainer, the bar having a camming action against the retainer so that when the bar is rotated the entire length of the bar is pressed against the board to anchor it in place.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: August 24, 1976
    Assignee: International Electronic Research Corporation
    Inventors: John E. Spurling, Jiri G. Hodek, Edward J. Kessels