Granted Patent
Utility
US 5,755,253 · App. 08/805,670
Flushometer auxiliary valve
Inventor:
Jerry P. Gronwick
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Feb 27, 1997
Inventor
Jerry P. Gronwick
Assignee (at issue)
Sloan Valve Company
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.