Granted Patent
Utility
US 6,476,873 · App. 09/178,081
Enhancement of a selectable region of video
Inventor:
Joon Maeng
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Oct 23, 1998
Inventor
Joon Maeng
Assignee (at issue)
VTEL 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.