Granted Patent
Utility
US 4,870,520 · App. 07/182,609
Read/write head with side winding slot
Inventor:
Stephen H. Shaw
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Apr 18, 1988
Inventor
Stephen H. Shaw
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.