Granted Patent
Utility
US 6,682,836 · App. 10/001,068
Method for the operation of a fuel cell battery comprising a control system
Inventors:
Andreas Ruegge, Thomas Gamper, Philip Holoch
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Oct 24, 2001
Inventors
Andreas Ruegge
Thomas Gamper
Philip Holoch
Assignee (at issue)
Sulzer Hexis 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.