Granted Patent
Utility
US 6,018,560 · App. 09/071,744
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Inventor:
Byung-Doo Kim
Patented Case
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Granted: Jan 25, 2000
Filed: May 4, 1998
Inventor
Byung-Doo Kim
Assignee (at issue)
LG Semicon 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.