Patents by Inventor Cecil A. Null

Cecil A. Null 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: D306604
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: March 13, 1990
    Inventor: Cecil A. Null