Granted Patent
Utility
US 4,875,124 · App. 07/182,535
Thin film magnetic heads with thermally crosslinked insulation
Inventors:
Heidi L. Dickstein, Hiroyuki Hiraoka, James H. Lee
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Apr 18, 1988
Inventors
Heidi L. Dickstein
Hiroyuki Hiraoka
James H. Lee
Assignee (at issue)
International Business Machines 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.