Granted Patent
Utility
US 6,819,563 · App. 10/612,355
Method and system for cooling electronics racks using pre-cooled air
Inventors:
Richard C. Chu, Michael J. Ellsworth, Jr., Roger R. Schmidt, Robert E. Simons
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Jul 2, 2003
Inventors
Richard C. Chu
Michael J. Ellsworth, Jr.
Roger R. Schmidt
Robert E. Simons
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.