Granted Patent
Utility
US 6,134,893 · App. 09/284,142
Swivel bayonet joint for cryogenic fluids
Inventor:
John W. Bonn
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Apr 7, 1999
Inventor
John W. Bonn
Assignee (at issue)
Chart 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.