Granted Patent
Utility
US 6,658,331 · App. 10/102,220
Remote control unit for locomotive including display module for displaying command information
Inventors:
Folkert Horst, Oleh Szklar
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Mar 19, 2002
Inventors
Folkert Horst
Oleh Szklar
Assignee (at issue)
CANAC 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.