Granted Patent
Utility
US 6,369,544 · App. 09/758,504
Furnace and air conditioner blower motor speed control
Inventor:
Andrew S. Kadah
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Jan 12, 2001
Inventor
Andrew S. Kadah
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.