Patents by Inventor Keith R. Fatches

Keith R. Fatches 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).

  • Pipette and filter combination
    Patent number: 4483825
    Abstract: A pipette having a liquid receiving hollow generally encompassed by deformable side walls, the pipette further has a tapered liquid outlet extending from one end of the hollow and a liquid inlet on the other end of the hollow within which is located a semi-permeable filter.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: November 20, 1984
    Inventor: Keith R. Fatches