Granted Patent
Utility
US 4,323,144 · App. 06/169,256
Hydro-pneumatic brake actuator arranged to maintain a constant brake shoe clearance
Inventors:
Robert B. Morris, Quentin T. Clemmons
Patented Case
View Patent ↗
Granted: Apr 6, 1982
Filed: Jul 16, 1980
Inventors
Robert B. Morris
Quentin T. Clemmons
Assignee (at issue)
American Standard 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.