Granted Patent
Utility
US 5,917,321 · App. 08/776,476
Process and device for determining the magnetic characteristics of thin magnetic layers
Inventors:
Peter Pokrowsky, Heinz Lehr, Hans-Joachim Hartmann, Christoph Schulz
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jan 17, 1997
Inventors
Peter Pokrowsky
Heinz Lehr
Hans-Joachim Hartmann
Christoph Schulz
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.