Granted Patent
Utility
US 6,781,477 · App. 10/260,918
System and method for increasing the channel capacity of HVAC ducts for wireless communications in buildings
Inventor:
Daniel D. Stancil
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Sep 30, 2002
Inventor
Daniel D. Stancil
Assignee (at issue)
CARNEGIE MELLON UNIVERSITY
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.