Granted Patent
Utility
US 5,943,878 · App. 09/083,607
Tangential fan scroll and discharged diffuser design
Inventors:
William A. Smiley III, Glenn J. McClellan
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: May 22, 1998
Inventors
William A. Smiley III
Glenn J. McClellan
Assignee (at issue)
American Standard 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.