Granted Patent
Utility
US 5,692,249 · App. 08/664,922
Top mounted flush valve
Inventor:
Dwight N. Johnson
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 18, 1996
Inventor
Dwight N. Johnson
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.