Granted Patent
Utility
US 5,023,738 · App. 07/452,689
Corrosion resistant magnetic recording read
Inventor:
Michael Bruce Prenosil
Patented Case
View Patent ↗
Granted: Jun 11, 1991
Filed: Dec 18, 1989
Inventor
Michael Bruce Prenosil
Assignee (at issue)
Seagate Technology LLC
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.