Granted Patent
Utility
US 5,421,361 · App. 08/246,120
Float operated fill valve
Inventor:
Dwight N. Johnson
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: May 19, 1994
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.