Granted Patent
Utility
US 6,750,557 · App. 09/947,728
Redundant prime mover system
Inventors:
Darrell Poteet, Kelcy Lee Warren
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Sep 6, 2001
Inventors
Darrell Poteet
Kelcy Lee Warren
Assignee (at issue)
Energy Transfer Group, L.L.C.
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.