Granted Patent
Utility
US 5,351,708 · App. 08/165,956
Automatic fluid sealing mechanism for a conduit with a frangible connector
Inventors:
Joseph T. Donato, John H. Calvin
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Dec 13, 1993
Inventors
Joseph T. Donato
John H. Calvin
Assignee (at issue)
Symetrics
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.