Granted Patent
Utility
US 4,966,007 · App. 07/351,067
Absorption refrigeration method and apparatus
Inventor:
William T. Osborne
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: May 12, 1989
Inventor
William T. Osborne
Assignee (at issue)
Baltimore Aircoil Company, 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.