Granted Patent
Utility
US 6,821,166 · App. 10/343,371
Power train
Inventors:
Terence James Roycroft, Alan Timothy Gibbs
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 15, 2003
Inventors
Terence James Roycroft
Alan Timothy Gibbs
Assignee (at issue)
Gibbs Technologies Limited
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.