Patents by Inventor Ronald J. Donovan

Ronald J. Donovan 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: D404866
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: January 26, 1999
    Inventors: Donn C. Surpless, Ronald J. Donovan