Granted Patent
Utility
US 6,622,826 · App. 09/885,532
Elevator information display system
Inventors:
Stephen D. Amo, Dean L. Lacheur, Neil S. Lacheur
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 21, 2001
Inventors
Stephen D. Amo
Dean L. Lacheur
Neil S. Lacheur
Assignee (at issue)
Captivate Network, 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.