Granted Patent
Utility
US 6,741,531 · App. 09/925,886
Information-signal recording and reproducing apparatus
Inventor:
Yasuhiro Ueki
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Aug 9, 2001
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.