Granted Patent
Utility
US 5,255,141 · App. 07/807,194
Read-write magnetic head with flux sensing read element
Inventors:
Erich P. Valstyn, Daniel A. Nepela
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Dec 16, 1991
Inventors
Erich P. Valstyn
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.