Granted Patent
Utility
US 6,192,547 · App. 09/282,978
Air curtain system used in manufacturing thin film transistor liquid crystal display
Inventor:
Young-Ho Song
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Mar 31, 1999
Inventor
Young-Ho Song
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.