Granted Patent
Utility
US 6,820,472 · App. 10/310,997
Test rig and test system for testing a power transmission device
Inventors:
Michel Ranchin, Lucien Mistral
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Dec 6, 2002
Inventors
Michel Ranchin
Lucien Mistral
Assignee (at issue)
EUROCOPTER
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.