Granted Patent
Utility
US 4,834,173 · App. 07/123,617
Pressure actuated baffle seal
Inventors:
Bruce W. Weiss, Alan M. Dickey
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Nov 20, 1987
Inventors
Bruce W. Weiss
Alan M. Dickey
Assignee (at issue)
American Standard 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.