Granted Patent
Utility
US 6,765,590 · App. 09/651,281
AV device control apparatus
Inventors:
Tomoaki Watahiki, Koichi Matsumura, Masao Ikezaki
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Aug 30, 2000
Inventors
Tomoaki Watahiki
Koichi Matsumura
Masao Ikezaki
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.