Granted Patent
Utility
US 5,655,780 · App. 08/588,500
Mixer seal assembly with fast connect coupling
Inventors:
Jeffrey S. Gambrill, Larry G. Porter, Robert A. Stolpman
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Jan 18, 1996
Inventors
Jeffrey S. Gambrill
Larry G. Porter
Robert A. Stolpman
Assignee (at issue)
Federal Signal Corporation
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.