Granted Patent
Utility
US 5,907,458 · App. 08/889,584
Head drum having weight balancing plate with removable portions
Inventor:
Jin-seung Choi
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jul 8, 1997
Inventor
Jin-seung Choi
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.