Granted Patent
Utility
US 5,016,840 · App. 07/428,590
Method to authorize a head of train unit to transmit emergency commands to its associated rear unit
Inventor:
Angel P. Bezos
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Oct 30, 1989
Inventor
Angel P. Bezos
Assignee (at issue)
PULSE ELECTRONICS, 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.