Granted Patent
Utility
US 6,822,461 · App. 10/330,451
Process and device for measuring the state of degradation of oils or fats
Inventor:
Wolfgang Klun
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Dec 27, 2002
Inventor
Wolfgang Klun
Assignee (at issue)
Ebro Electronic GmbH & Co. KG
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.