Granted Patent
Utility
US 5,644,228 · App. 08/330,506
Permanent magnet assembly with MR and DC compensating bias
Inventors:
Frederick J. Jeffers, Neil Smith, Jay D. Freeman, Kent R. Gandola, Peter VanderSalm Koeppe
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Oct 28, 1994
Inventors
Frederick J. Jeffers
Neil Smith
Jay D. Freeman
Kent R. Gandola
Peter VanderSalm Koeppe
Assignee (at issue)
EASTMAN KODAK COMPANY
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.