Patents by Inventor Fred R. Behrendt

Fred R. Behrendt 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).

  • Automated circuit board testing apparatus
    Patent number: 6218852
    Abstract: An automated handling apparatus for testing and labeling a printed circuit board. The apparatus comprises a housing having at least one tray exchanger assembly attached thereto. Disposed on the tray exchanger assembly is a cassette tray which accommodates at least one circuit board, and is selectively movable between first and second positions by the tray exchanger assembly. Also attached to the housing is a testing assembly for conducting a desired testing protocol upon the circuit board, a labeler assembly for applying a label to the circuit board subsequent to the completion of the testing protocol, and a loader assembly for selectively transporting the circuit board between the tray exchanger, testing, and labeling assemblies.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: April 17, 2001
    Inventors: Paul E. Smith, Jon T. Olis, Michael P. Callahan, Richard D. Bauer, Fred R. Behrendt