Granted Patent
Utility
US 6,489,778 · App. 09/429,546
Fault current recognition in control units
Inventor:
Edmund Martin
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Oct 28, 1999
Inventor
Edmund Martin
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.