Patents by Inventor David F. Batts

David F. Batts 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).

  • Electrical switch
    Patent number: D440947
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: April 24, 2001
    Assignee: Kaplan Companies, Inc.
    Inventors: Judith L. Culberson, David F. Batts