Granted Patent
Utility
US 6,565,421 · App. 09/654,058
Apparatus and method of grinding liquid crystal cell
Inventor:
Hun-Jun Choo
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Sep 1, 2000
Inventor
Hun-Jun Choo
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.