Granted Patent
Utility
US 6,832,504 · App. 10/718,001
Liquid sensing system for an aircraft galley cooler using a two phase working fluid
Inventor:
Timothy Andrew Birkmann
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Nov 19, 2003
Inventor
Timothy Andrew Birkmann
Assignee (at issue)
BE Intellectual Property, 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.