Granted Patent
Utility
US 6,148,735 · App. 08/882,372
Light weight gondola car
Inventors:
Kerry Sauter, Todd L. Lydic, Amy Miller, David A. Lohr, Robert Dorian
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Jun 25, 1997
Inventors
Kerry Sauter
Todd L. Lydic
Amy Miller
David A. Lohr
Robert Dorian
Assignee (at issue)
Johnstown America Corporation
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.