Granted Patent
Utility
US 6,341,024 · App. 09/178,034
Channel monitoring apparatus in a wavelength division multiplexing system
Inventor:
Ku Hong Jeong
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Oct 22, 1998
Inventor
Ku Hong Jeong
Assignee (at issue)
LG Philips LCD Co., 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.