Granted Patent
Utility
US 6,318,358 · App. 09/631,319
Furnace blower with double sided impeller
Inventor:
William Stuart Gatley, Jr.
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Aug 3, 2000
Inventor
William Stuart Gatley, Jr.
Assignee (at issue)
Jackel, 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.