Patents by Inventor Donald H. Sherwood

Donald H. Sherwood 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).

  • Peanut hull animal litter
    Patent number: 3983842
    Abstract: The present invention provides an animal litter which has as its major ingredient peanut hulls, and as an odor suppressor, sodium bicarbonate.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: October 5, 1976
    Assignee: Gold Kist Inc.
    Inventors: James E. Marion, William J. Lehmberg, Sr., Donald H. Sherwood