Granted Patent
Utility
US 6,443,006 · App. 09/567,190
Device which measures oil level and dielectric strength with a capacitance based sensor using a ratiometric algorithm
Inventor:
Kenneth A. DeGrave
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: May 9, 2000
Inventor
Kenneth A. DeGrave
Assignee (at issue)
Engineered Machined Products, Inc.
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.