Granted Patent
Utility
US 5,270,601 · App. 07/778,540
Superconducting composite magnetic bearings
Inventor:
Thomas Rigney
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Oct 17, 1991
Inventor
Thomas Rigney
Assignee (at issue)
AlliedSignal, 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.