Granted Patent
Utility
US 5,677,960 · App. 08/646,220
On-vehicle sound control apparatus
Inventors:
Atsushi Unno, Kiichi Morota, Motomichi Matsumura
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: May 6, 1996
Inventors
Atsushi Unno
Kiichi Morota
Motomichi Matsumura
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.