Granted Patent
Utility
US 6,504,580 · App. 08/829,928
Non-Telephonic, non-remote controller, wireless information presentation device with advertising display
Inventors:
Brandt Thompson, Paul V. Darbee, Frank O'Donnell
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Apr 1, 1997
Inventors
Brandt Thompson
Paul V. Darbee
Frank O'Donnell
Assignee (at issue)
EVOLVE PRODUCTS GROUP, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.