Granted Patent
Utility
US 6,621,247 · App. 09/743,508
Electronic monitoring device for a multipart electrical energy storage unit
Inventors:
Marcus Bulling, Hans-Georg Hornung, Markus Walter
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Feb 7, 2002
Inventors
Marcus Bulling
Hans-Georg Hornung
Markus Walter
Assignee (at issue)
Daimlerchrysler 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.