Granted Patent
Utility
US 6,510,800 · App. 09/976,655
Multi-unit railroad freight car for carrying cargo containers between container well units
Inventors:
Jon B. Zaerr, John N. Niosi, David W. Smith
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Oct 12, 2001
Inventors
Jon B. Zaerr
John N. Niosi
David W. Smith
Assignee (at issue)
Gunderson 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.