Patents by Inventor Donald W. Joyner

Donald W. Joyner 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).

  • Protective grill for work light fixture
    Patent number: D417031
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: November 23, 1999
    Assignee: Regent Lighting Corporation
    Inventors: Donald W. Joyner, Pei Sheng Qian