Patents by Inventor Matthew L. Spear

Matthew L. Spear 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).

  • Valuted sub-ceiling illumination system
    Patent number: 4932170
    Abstract: A rigid ceiling system including a plurality of gridwork members supported solely from the walls of a room and further including a plurality of vaulted translucent diffusion panels. Notched rib members including indexing brackets align each panel to the formed gridwork. Wall mounted illumination sources provide desired lighting relative to the diffusion panels.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: June 12, 1990
    Inventor: Matthew L. Spear