Granted Patent
Utility
US 5,083,274 · App. 07/486,137
Railroad brake pressure recording
Inventors:
Angel P. Bezos, Emilio A. Fernandez
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Feb 28, 1990
Inventors
Angel P. Bezos
Emilio A. Fernandez
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.