Granted Patent
Utility
US 6,803,563 · App. 10/737,243
Method and apparatus for monitoring the quality of lubricant
Inventors:
Edwin Becker, Mark Zundel
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 16, 2003
Inventors
Edwin Becker
Mark Zundel
Assignee (at issue)
Flender Service GmbH
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.