Patents by Inventor Donald F. Richards

Donald F. Richards 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).

  • Bag for packaging poultry or the like
    Patent number: D264427
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: May 18, 1982
    Assignee: W. R. Grace & Co.
    Inventor: Donald F. Richards