Granted Patent
Utility
US 4,829,277 · App. 06/933,005
Isotropic rare earth-iron field magnets for magnetic resonance imaging
Inventors:
Daniel W. Stahura, Robert R. Lown
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Nov 20, 1986
Inventors
Daniel W. Stahura
Robert R. Lown
Assignee (at issue)
General Motors LLC
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.