Granted Patent
Utility
US 5,524,490 · App. 08/533,022
Inductive proximity sensor
Inventors:
Frans Lautzenhiser, Dwadasi H. R. Sarma
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: May 25, 1995
Inventors
Frans Lautzenhiser
Dwadasi H. R. Sarma
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.