Granted Patent
Utility
US 5,502,970 · App. 08/435,833
Refrigeration control using fluctuating superheat
Inventor:
Natarajan Rajendran
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: May 5, 1995
Inventor
Natarajan Rajendran
Assignee (at issue)
Copeland LP
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.