Granted Patent
Utility
US 6,442,824 · App. 09/976,879
Compromise rail
Inventors:
Tom Stanley, Paul Valastin
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Oct 11, 2001
Inventors
Tom Stanley
Paul Valastin
Assignee (at issue)
VAE NORTRAK NORTH AMERICA, 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.