Granted Patent
Utility
US 6,543,283 · App. 09/916,806
Sensor for determining the level and temperature of a liquid
Inventors:
Joachim Acht, Ralf Schimmel, Manfred Rother, Rudolf Stiller
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jul 27, 2001
Inventors
Joachim Acht
Ralf Schimmel
Manfred Rother
Rudolf Stiller
Assignee (at issue)
Mannesmann VDO AG
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.