Granted Patent
Utility
US 6,534,974 · App. 09/646,443
Magnetic head tester with write coil and read coil
Inventors:
Arlen John Bowen, Nathaniel C. Anderson, Robert D. Ahmann
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jan 8, 2001
Inventors
Arlen John Bowen
Nathaniel C. Anderson
Robert D. Ahmann
Assignee (at issue)
Pemstar, Inc.
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.