Granted Patent
Utility
US 5,988,979 · App. 08/924,436
Centrifugal blower wheel with an upwardly extending, smoothly contoured hub
Inventor:
Jui-Shang Wang
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Aug 27, 1997
Inventor
Jui-Shang Wang
Assignee (at issue)
Honeywell Consumer Products, 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.