Granted Patent
Utility
US 5,934,078 · App. 09/018,153
Reciprocating active magnetic regenerator refrigeration apparatus
Inventors:
Lewis Lawton, Carl Bruno Zimm, Alexander G. Jastrab
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Feb 3, 1998
Inventors
Lewis Lawton
Carl Bruno Zimm
Alexander G. Jastrab
Assignee (at issue)
Astronautics Corporation of America
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.