Granted Patent
Utility
US 5,645,653 · App. 08/557,169
Rails
Inventors:
Vijay Jerath, David Price, Ian W. Martin
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Feb 22, 1996
Inventors
Vijay Jerath
David Price
Ian W. Martin
Assignee (at issue)
British Steel plc.
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.