Granted Patent
Utility
US 4,667,260 · App. 06/841,654
Thin film vertical recording head
Inventors:
Craig Perlov, Arthur Calderon
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Mar 20, 1986
Inventors
Craig Perlov
Arthur Calderon
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.