Granted Patent
Utility
US 5,255,703 · App. 07/909,386
Float operated fill valve
Inventor:
Dwight N. Johnson
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Jul 8, 1992
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.