Patents by Inventor Harold L. Hill

Harold L. Hill 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).

  • Animal activity monitor and behavior processor
    Patent number: 4337726
    Abstract: An animal activity monitor and behavior processor for collecting data from an animal being tested in an observation area. The apparatus is adapted to separate animal activity data into two groups by differentiating ambulatory or relocation movements from non-ambulatory movements such as grooming, scratching or body rotation.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: July 6, 1982
    Inventors: Jan A. Czekajewski, Harold L. Hill, Kenneth J. Kober