Granted Patent
Utility
US 5,544,854 · App. 08/412,501
Remote control of cut-out cock
Inventor:
John B. Carroll
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Mar 28, 1995
Inventor
John B. Carroll
Assignee (at issue)
Westinghouse Air Brake Co.
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.