Granted Patent
Utility
US 6,288,688 · App. 09/111,367
System for distribution and display of advertisements within elevator cars
Inventors:
Bret Hughes, Gary N. Fanning
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Jun 25, 1998
Inventors
Bret Hughes
Gary N. Fanning
Assignee (at issue)
Elevating Communications, Inc.
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.