Granted Patent
Utility
US 5,489,842 · App. 08/058,332
Method and apparatus for determining the rotational position of a magnetic rotor relative to current carrying coils utilizing magnetic coupling between coils
Inventors:
Raymond Lippmann, James E. Nelson, Michael J. Schnars, James R. Chintyan, William J. Johnston
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: May 10, 1993
Inventors
Raymond Lippmann
James E. Nelson
Michael J. Schnars
James R. Chintyan
William J. Johnston
Assignee (at issue)
DELCO ELECTRONICS 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.