Granted Patent
Utility
US 4,996,841 · App. 07/388,689
Stirling cycle heat pump for heating and/or cooling systems
Inventors:
Roelf J. Meijer, Kaveh Khalili, Ernst J. Meijer, Ted M. Godett
Patented Case
View Patent ↗
Granted: Mar 5, 1991
Filed: Aug 2, 1989
Inventors
Roelf J. Meijer
Kaveh Khalili
Ernst J. Meijer
Ted M. Godett
Assignee (at issue)
Stirling Thermal Motors, 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.