Granted Patent
Utility
US 6,169,451 · App. 09/203,339
System for sensing operating state of tower top amplifier for mobile communication system and method of sensing the same
Inventor:
Wang-Rae Kim
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Dec 2, 1998
Inventor
Wang-Rae Kim
Assignee (at issue)
LG Information & Communications, Ltd.
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.