Patents by Inventor Donald B. Cleveland

Donald B. Cleveland 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).

  • Patent number: D258142
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: February 3, 1981
    Inventor: Donald B. Cleveland