Granted Patent
Utility
US 5,523,539 · App. 08/151,068
Process for manufacturing recording heads for magnetic storage devices
Inventors:
John D. Hoogerwerf, Robert Ralph Heinze, John M. Rottenburg
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Nov 12, 1993
Inventors
John D. Hoogerwerf
Robert Ralph Heinze
John M. Rottenburg
Assignee (at issue)
Conner 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.