Granted Patent
Utility
US 4,611,259 · App. 06/464,844
Magnetic transducer structure having reduced track width and a method of manufacturing thereof
Inventor:
Edward Schiller
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Feb 8, 1983
Inventor
Edward Schiller
Assignee (at issue)
Ampex Corporation
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.