Granted Patent
Utility
US 4,819,111 · App. 06/902,359
Thin film head with reduced cross section in the core for causing magnetic saturation in the leading leg's throat area
Inventors:
Beat G. Keel, Tuan P. Tran, Gene Patrick Bonnie, Edward L. Schwarz
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Aug 29, 1986
Inventors
Beat G. Keel
Tuan P. Tran
Gene Patrick Bonnie
Edward L. Schwarz
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.