Granted Patent
Utility
US 4,833,774 · App. 07/131,286
Method of making a cursor for an inductive sensor
Inventors:
Wolfgang Jacob-Grinschgl, Udo Muller
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Dec 10, 1987
Inventors
Wolfgang Jacob-Grinschgl
Udo Muller
Assignee (at issue)
Kontron Holding A.G.
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.