Granted Patent
Utility
US 5,917,680 · App. 08/668,859
Magnetoresistive head with magnetic bias level control
Inventors:
Erich P. Valstyn, Charles R. Bond, Daniel A. Nepela
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jun 24, 1996
Inventors
Erich P. Valstyn
Charles R. Bond
Daniel A. Nepela
Assignee (at issue)
Read Rite 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.