Granted Patent
Utility
US 6,476,582 · App. 09/964,457
Battery power supply apparatus
Inventors:
Saburo Yokokura, Munecazu Tacano, Toshiaki Matsui
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Sep 28, 2001
Inventors
Saburo Yokokura
Munecazu Tacano
Toshiaki Matsui
Assignee (at issue)
Communications Research Laboratory, Independent Administrative Institution
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.