Granted Patent
Utility
US 5,437,188 · App. 08/189,228
Tell tale device for a pressure vessel
Inventors:
Richard L. Frantom, Robert J. Bishop, Robert Kremer, Klaus F. Ocker, Stephen McGarry, Will E. Rogers
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Jan 31, 1994
Inventors
Richard L. Frantom
Robert J. Bishop
Robert Kremer
Klaus F. Ocker
Stephen McGarry
Will E. Rogers
Assignee (at issue)
AlliedSignal, 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.