Granted Patent
Utility
US 5,157,570 · App. 07/546,280
Magnetic pole configuration for high density thin film recording head
Inventors:
Harold B. Shukovsky, Sharat Batra, Michael Mallary
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jun 29, 1990
Inventors
Harold B. Shukovsky
Sharat Batra
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.