Granted Patent
Utility
US 5,331,474 · App. 07/818,568
Editing apparatus and method in video tape duplicating system
Inventor:
Hyeong Ju Lee
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Jan 9, 1992
Inventor
Hyeong Ju Lee
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.