Granted Patent
Utility
US 5,535,501 · App. 08/311,176
Furnace and method for securing a thermostat to a furnace
Inventor:
Russell W. Hoeffken
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Sep 23, 1994
Inventor
Russell W. Hoeffken
Assignee (at issue)
Goodman Manufacturing Company, L.P.
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.