Granted Patent
Utility
US 5,162,158 · App. 07/383,441
Low noise magnetic thin film longitudinal media
Inventors:
Jodie A. Christner, Rajiv Yadav Ranjan
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jul 24, 1989
Inventors
Jodie A. Christner
Rajiv Yadav Ranjan
Assignee (at issue)
Magnetic Peripherals, 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.