Granted Patent
Utility
US 6,302,939 · App. 09/241,978
Rare earth permanent magnet and method for making same
Inventors:
Barry Hal Rabin, Charles Howard Sellers
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Feb 1, 1999
Inventors
Barry Hal Rabin
Charles Howard Sellers
Assignee (at issue)
Magnequench International, 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.