Granted Patent
Utility
US 5,167,905 · App. 07/763,385
Foldable nozzle dam having a foldable extrusion-resistant seal or gasket
Inventors:
Raymond M. Mentz, Charles Hanna
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Sep 20, 1991
Inventors
Raymond M. Mentz
Charles Hanna
Assignee (at issue)
Westinghouse Electric Company LLC
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.