Granted Patent
Utility
US 6,356,051 · App. 09/508,940
Battery pack and PTC element incorporated in the battery pack
Inventors:
Takashi Hasunuma, Atsushi Watanabe, Kazuo Osaki, Fumiyoshi Yoshinari
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Aug 18, 2000
Inventors
Takashi Hasunuma
Atsushi Watanabe
Kazuo Osaki
Fumiyoshi Yoshinari
Assignees (at issue)
Tyco Electronics Raychem GmbH
SANYO ELECTRIC CO., 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.