Patents by Inventor Brenda C. Campbell

Brenda C. 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).

  • CD vending machine
    Patent number: D378919
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: April 22, 1997
    Inventors: Lathan D. Gareiss, Brenda C. Campbell