Granted Patent
Utility
US 5,240,740 · App. 07/988,370
Method of making a thin film head with minimized secondary pulses
Inventors:
Karl Frey, Michael Mallary
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Dec 9, 1992
Inventors
Karl Frey
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.