Granted Patent
Utility
US 6,199,581 · App. 09/420,990
Toilet tank fill valve with adjustable standpipe
Inventor:
Amos Gil
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Oct 20, 1999
Inventor
Amos Gil
Assignee (at issue)
BRASSCRAFT MANUFACTURING 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.