Patents by Inventor R. J. Maddox

R. J. Maddox 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).

  • Commemorative wall plaque
    Patent number: D295389
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: April 26, 1988
    Inventors: Gregory J. Maddox, R. J. Maddox
  • Commemorative wall plaque
    Patent number: D295390
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: April 26, 1988
    Inventors: Gregory J. Maddox, R. J. Maddox
  • Commemorative wall plaque
    Patent number: D295391
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: April 26, 1988
    Inventors: Gregory J. Maddox, R. J. Maddox