Patents by Inventor Fred D. Cox

Fred D. Cox 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).

  • Automatic pet feeding device
    Patent number: 4805560
    Abstract: An automated pet feeding device for providing food and water on an automatic, pretimed basis is disclosed. The lid and base modules are stationary and the feeding tray, supported by the motor shaft, and resting on a drive lug is indexed under the lip opening. The lip is easily detached from the base unit and the feeding tray removed without the use of tools.
    Type: Grant
    Filed: August 28, 1987
    Date of Patent: February 21, 1989
    Inventors: Frank M. Knego, Fred D. Cox, James W. Klapheke