Patents by Inventor Glenn E. Gibson

Glenn E. Gibson 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: 6376252
    Abstract: Test devices and methods are provided for detection of feline lower urinary tract disease. The test devices comprise a matrix impregnated with a color indicator and a stabilizer wherein the indicator remains stable when exposed to ambient conditions and wherein a positive color response remains stable for a sufficient time for the color response to be observed. The test devices may be provided for use in combination with conventional cat box filler.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: April 23, 2002
    Assignees: Environmental Test Systems, Inc., Golden Cat Division of Ralston Purina
    Inventors: Michael A. Van Lente, Robert Bauer, Carol J. Allen, Ronald A. Lewis, II, Glenn E. Gibson