Granted Patent
Utility
US 6,396,243 · App. 09/814,977
Power unit and power source switching apparatus for a computer
Inventor:
Shigefumi Odaohhara
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Mar 22, 2001
Inventor
Shigefumi Odaohhara
Assignee (at issue)
International Business Machines Corporation
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.