Granted Patent
Utility
US 5,640,880 · App. 08/404,262
Magnetostrictive sensor
Inventors:
Michael J. Mulrooney, James T. Borthwick, Jr., Paul G. Janitch, Cesar L. Queyquep
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Mar 13, 1995
Inventors
Michael J. Mulrooney
James T. Borthwick, Jr.
Paul G. Janitch
Cesar L. Queyquep
Assignee (at issue)
Magnetrol International, Incorporated
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.