Granted Patent
Utility
US 6,170,848 · App. 09/219,139
System and related method for steering an articulated train
Inventor:
Edward Wechner
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Dec 22, 1998
Inventor
Edward Wechner
Assignee (at issue)
Joy MM Delaware, Inc.
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.