Granted Patent
Utility
US 5,085,935 · App. 07/360,421
Flux spreading thin film magnetic devices
Inventor:
Michael Mallary
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jun 2, 1989
Inventor
Michael Mallary
Assignee (at issue)
Digital Equipment 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.