Patents by Inventor Thurmond R. Smith

Thurmond R. Smith 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: 5812310
    Abstract: A high accuracy, orthogonal motion stage for microscopes and the like uses three frames for orthogonal motion. The lower most frame has provided thereon a series of downwardly depending ramps. An actuator plate having correspondingly positioned, upwardly directed ramps is translated with respect to the lower most frame to raise and lower the frames.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: September 22, 1998
    Assignee: Applied Precision, Inc.
    Inventors: John P. Stewart, Thurmond R. Smith, Gary M. Gunderson