Granted Patent
Utility
US 4,469,335 · App. 06/400,727
Sealing apparatus with sealing device operable under pressure differential established thereacross
Inventor:
Vincent Moore
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Jul 22, 1982
Inventor
Vincent Moore
Assignee (at issue)
American Sterilizer Company
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.