Patents by Inventor James H. Ballard

James H. Ballard 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).

  • Emergency shelter for underground installation
    Patent number: D261432
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: October 20, 1981
    Inventor: James H. Ballard
  • Bathtub
    Patent number: D265678
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: August 3, 1982
    Inventor: James H. Ballard
  • Shower stall
    Patent number: D265679
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: August 3, 1982
    Inventor: James H. Ballard
  • Combined bathtub and shower enclosure
    Patent number: D265756
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: August 10, 1982
    Inventor: James H. Ballard
  • Shower stall
    Patent number: D268128
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: March 1, 1983
    Inventor: James H. Ballard