Granted Patent
Utility
US 6,782,833 · App. 10/018,760
Trackside power distribution systems
Inventor:
John Richard Nightall
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Apr 9, 2002
Inventor
John Richard Nightall
Assignee (at issue)
Alston
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.