Patents by Inventor John N. Hessenauer

John N. Hessenauer 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).

  • Automatically operated pet food dispenser
    Patent number: 4993364
    Abstract: An automatic feeding dispenser has a housing for containing feed, a feed measuring and dispensing device, and an outlet for directing feed to a desired location. The housing has a removable partition to have two types of feed delivered, one from a compartment at each end of a cylindrical delivery tube. The control actuates the rotating tube at desired times in one or more half-turns for each meal as selected.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: February 19, 1991
    Inventor: John N. Hessenauer