Granted Patent
Utility
US 5,483,769 · App. 08/164,120
Door drive equipment for mass transit vehicle
Inventor:
Marc Zweili
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Dec 7, 1993
Inventor
Marc Zweili
Assignee (at issue)
Mark IV Transportation Products Corp.
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.