Granted Patent
Utility
US 4,487,028 · App. 06/534,849
Control for a variable capacity temperature conditioning system
Inventor:
David M. Foye
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Sep 22, 1983
Inventor
David M. Foye
Assignee (at issue)
The Trane Company
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.