Granted Patent
Utility
US 5,090,215 · App. 07/615,895
Apparatus for the disposal of cooling agent of absorption-type refrigerating systems
Inventors:
Rolf-Dieter Giesler, Volker Müller, Karl-Gosta Almen
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Nov 20, 1990
Inventors
Rolf-Dieter Giesler
Volker Müller
Karl-Gosta Almen
Assignee (at issue)
Electrolux Siegen GmbH
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.