Granted Patent
Utility
US 5,332,233 · App. 07/979,091
Face seal means
Inventors:
Paul W. Futa, Jr., George S. Wieger
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Nov 19, 1992
Inventors
Paul W. Futa, Jr.
George S. Wieger
Assignee (at issue)
AlliedSignal, 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.