Granted Patent
Utility
US 5,809,794 · App. 08/768,743
Feed forward control of expansion valve
Inventors:
Lee L. Sibik, Daniel C. Leaver, Craig M. Goshaw
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Dec 17, 1996
Inventors
Lee L. Sibik
Daniel C. Leaver
Craig M. Goshaw
Assignee (at issue)
American Standard 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.