Granted Patent
Utility
US 4,923,221 · App. 07/301,665
Safety connection into passages in a tubular body
Inventor:
Kennard W. Taylor
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jan 25, 1989
Inventor
Kennard W. Taylor
Assignee (at issue)
Cameron Iron Works USA, 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.