Patents by Inventor Robert W. Besuner

Robert W. Besuner 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).

  • Vertically reciprocating perforated agitator
    Patent number: 6270249
    Abstract: The present invention comprises a horizontal, perforated agitator element and means to cause the agitator element to reciprocate vertically within a reservoir containing a fluid suspension, solution, or mixture. The perforations in the agitator element are sized and located so that an array of pipette tips may be inserted into the fluid through the moving agitator element without interference.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: August 7, 2001
    Inventors: Robert W. Besuner, David C. Estrich, Reason W. Bradley, Robert G. Ullrich