Patents by Inventor Jeanne P. Campbell

Jeanne P. Campbell 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).

  • Weighted cord drop or similar article
    Patent number: D288765
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: March 17, 1987
    Assignee: Douglass Manufacturing Company
    Inventors: Douglass R. Falkenberg, Jeanne P. Campbell