Granted Patent
Utility
US 6,735,499 · App. 10/090,664
Method and apparatus for controlling cooling fan
Inventors:
Yasuyuki Ohki, Minoru Kida
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Mar 5, 2002
Inventors
Yasuyuki Ohki
Minoru Kida
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.