Patents by Inventor Steven C. Wardlaw

Steven C. Wardlaw 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).

  • Apparatus and method for quantification of biological material in a liquid sample
    Patent number: 5518892
    Abstract: An article adapted for holding a liquid sample for quantification of biological material in the liquid sample. The article includes a bag having an upper surface sheet and a lower surface sheet enclosing a volume therebetween. The bag has an upper opening through which the liquid sample can be poured into the volume in the bag. The bag also has a plurality of partitions configured to separate one or more portions of adequate sample in the bag. Also provided is a passage through which a liquid sample can be distributed throughout the volume in the bag. The bag is made of material which can be caused to form discreet non-permeable compartments for holding separate aliquots of the liquid sample.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: May 21, 1996
    Assignee: Idexx Laboratories, Inc.
    Inventors: Ali Naqui, Mark W. Pierson, Thomas R. Weschler, Steven C. Wardlaw, Michael P. Finnerty, Charles R. Carpenter