Patents by Inventor John E. Gruss

John E. Gruss 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: 4326481
    Abstract: Smooth plastic or rubber granular material is used as an aid in taking a urine sample from a cat or a member of the cat family. The urine sample is necessary in order to carry out a complete physical examination in veterinary medicine and is of special importance in diagnosing disorders of the urinary tract. Novel apparatus is also provided for use with the granular material to aid in obtaining the urine sample without the need for manual expression of the bladder, cystocentesis or confinement of the cat within a special rack in the veterinarian's quarters or in an animal hospital.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: April 27, 1982
    Inventor: John E. Gruss