Granted Patent
Utility
US 6,709,780 · App. 10/136,843
System and method for controlling steam in a fuel system with a fuel processor
Inventors:
Donald H. Keskula, Bruce J. Clingerman, Steven D. Burch, Paul Taichiang Yu
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Apr 30, 2002
Inventors
Donald H. Keskula
Bruce J. Clingerman
Steven D. Burch
Paul Taichiang Yu
Assignee (at issue)
General Motors LLC
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.