Granted Patent
Utility
US 5,724,214 · App. 08/753,889
Discharging device for head drum
Inventor:
Seong-Ick Ahn
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Dec 2, 1996
Inventor
Seong-Ick Ahn
Assignee (at issue)
Daewoo Electronics Corporation
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.