Granted Patent
Utility
US 5,411,608 · App. 08/158,473
Performance light rare earth, iron, and boron magnetic alloys
Inventors:
Robert C. Hazelton, George C. Hadjipanayis
Patented Case
View Patent ↗
Granted: May 2, 1995
Filed: Nov 29, 1993
Inventors
Robert C. Hazelton
George C. Hadjipanayis
Assignee (at issue)
KOLLMORGEN CORPORATION
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.