Granted Patent
Utility
US 4,335,831 · App. 05/869,544
Insulated cryogenic liquid container
Inventor:
William A. Swaney
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jan 16, 1978
Inventor
William A. Swaney
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.