Granted Patent
Utility
US 5,880,587 · App. 08/794,616
Method and apparatus for performing in file slider take-off measurements through tuned external AE detection
Inventors:
James William Annis, Linden James Crawforth, Erhard Schreck
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Feb 3, 1997
Inventors
James William Annis
Linden James Crawforth
Erhard Schreck
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.