Granted Patent
Utility
US 6,088,143 · App. 09/012,691
Remote infrared password key system and methods for controlling the same
Inventor:
Il-Soon Bang
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Jan 23, 1998
Inventor
Il-Soon Bang
Assignee (at issue)
SAMSUNG DISPLAY 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.