Granted Patent
Utility
US 6,739,846 · App. 10/202,264
Stacked redundant blowers
Inventors:
Donald Joseph Stoddard, Michael Hansen
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jul 24, 2002
Inventors
Donald Joseph Stoddard
Michael Hansen
Assignee (at issue)
MaXXan Systems, 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.