Granted Patent
Utility
US 5,062,907 · App. 07/518,900
Hard magnetic material and magnet manufactured from such hard magnetic material
Inventors:
Kurt H. J. Buschow, Dirk B. De Mooij, Theodora H. Jacobs
Patented Case
View Patent ↗
Granted: Nov 5, 1991
Filed: May 4, 1990
Inventors
Kurt H. J. Buschow
Dirk B. De Mooij
Theodora H. Jacobs
Assignee (at issue)
U.S. Philips 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.