Granted Patent
Utility
US 5,477,271 · App. 08/128,787
Auto-focus regulating method for video cameras and device thereof
Inventor:
Hyeong Park
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Sep 30, 1993
Inventor
Hyeong Park
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.