Granted Patent
Utility
US 6,191,900 · App. 09/060,144
Digital signal recording and reproducing apparatus and recording medium
Inventors:
Seiji Higurashi, Yoichi Zenno
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Apr 15, 1998
Inventors
Seiji Higurashi
Yoichi Zenno
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.