Granted Patent
Utility
US 5,111,138 · App. 07/732,252
Speed sensor having a closed magnetic flux path for sensing speed from an axial face of a rotating member
Inventor:
Dennis A. Kramer
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Jul 18, 1991
Inventor
Dennis A. Kramer
Assignee (at issue)
Rockwell International 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.