Granted Patent
Utility
US 5,182,914 · App. 07/493,339
Rotary dipole active magnetic regenerative refrigerator
Inventors:
John A. Barclay, Joseph A. Waynert, Anthony J. DeGregoria, Joseph W. Johnson, Peter J. Claybaker
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Mar 14, 1990
Inventors
John A. Barclay
Joseph A. Waynert
Anthony J. DeGregoria
Joseph W. Johnson
Peter J. Claybaker
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.