Patents by Inventor William B. Campbell, deceased

William B. Campbell, deceased 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).

  • Christmas ornament
    Patent number: D253228
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: October 23, 1979
    Assignee: Ball Corporation
    Inventors: William B. Campbell, deceased, by Doris Campbell, executrix
  • Christmas ornament
    Patent number: D253756
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: December 25, 1979
    Assignee: Ball Corporation
    Inventor: William B. Campbell, deceased
  • Christmas ornament
    Patent number: D254190
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: February 12, 1980
    Assignee: Ball Corporation
    Inventors: William B. Campbell, deceased, by Doris Campbell, executor
  • Combined desk pen set and plaque
    Patent number: D257991
    Type: Grant
    Filed: April 18, 1977
    Date of Patent: January 20, 1981
    Assignee: Princeton Industries Corporation
    Inventors: Carl G. Bestler, William B. Campbell, deceased