Granted Patent
Utility
US 6,384,864 · App. 09/121,864
Letter-box filtering circuit and method using the same
Inventor:
Young-No Kim
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Jul 24, 1998
Inventor
Young-No Kim
Assignee (at issue)
Hyundai Electronics Industries 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.