Granted Patent
Utility
US 5,260,972 · App. 07/728,824
Technique for determining signal dispersion characteristics in communications systems
Inventor:
Jin Wang
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jul 9, 1991
Inventor
Jin Wang
Assignee (at issue)
AT&T Bell Laboratories
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.