Granted Patent
Utility
US 6,186,074 · App. 09/185,304
Drive assembly for model train
Inventors:
Robert Grubba, Caleb K. Sullivan, Kevin B. Chlebek, Jeffery A. Price
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Nov 3, 1998
Inventors
Robert Grubba
Caleb K. Sullivan
Kevin B. Chlebek
Jeffery A. Price
Assignee (at issue)
Lionel Trains, 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.