Granted Patent
Utility
US 4,265,093 · App. 06/072,538
Evaporator feed and control system
Inventor:
Alwin B. Newton
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Sep 4, 1979
Inventor
Alwin B. Newton
Assignee (at issue)
BorgWarner 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.