Granted Patent
Utility
US 4,884,157 · App. 07/078,909
Thin film magnetic head with coil windings receiving trench
Inventors:
Gary E. Roberts, James Reid
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Jul 28, 1987
Inventors
Gary E. Roberts
James Reid
Assignee (at issue)
Applied Magnetics, LLC
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.