Granted Patent
Utility
US 6,218,810 · App. 09/516,785
Output circuit and battery pack
Inventor:
Takashi Matsumoto
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Mar 1, 2000
Inventor
Takashi Matsumoto
Assignee (at issue)
Fujitsu Limited
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.