Granted Patent
Utility
US 4,550,953 · App. 06/562,321
Electro-pneumatic control for a vehicle fluid pressure braking system
Inventor:
Roy E. Bartholomew
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Dec 16, 1983
Inventor
Roy E. Bartholomew
Assignee (at issue)
ALLIED CONSULTING, 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.