Granted Patent
Utility
US 6,728,170 · App. 10/431,466
Information-signal recording and reproducing apparatus
Inventor:
Yasuhiro Ueki
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: May 8, 2003
Inventor
Yasuhiro Ueki
Assignee (at issue)
Victor Company of Japan, 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.