Granted Patent
Utility
US 6,768,640 · App. 10/184,258
Computer system employing redundant cooling fans
Inventors:
Drew G. Doblar, Robert E. Cypher
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jun 28, 2002
Inventors
Drew G. Doblar
Robert E. Cypher
Assignee (at issue)
Sun Microsystems Inc.
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.