IP Library › Granted Patent US 5,320,229
Granted Patent Utility
US 5,320,229 · App. 07/994,628

Yoke for coupling railway cars utilizing a drawbar assembly

Inventors: Peter S. Mautino, Douglas M. Hanes
Patented Case View Patent ↗
Granted: Jun 14, 1994 Filed: Dec 21, 1992
Inventors
Peter S. Mautino
Douglas M. Hanes
Assignee (at issue)
McConway & Torley, LLC

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,320,229
App. No.
07/994,628
Filed
1992-12-21
Granted
1994-06-14
Kind
A