Granted Patent
Utility
US 5,653,270 · App. 08/440,507
Bottle cap and valve assembly for a bottled water station
Inventor:
Bruce D. Burrows
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: May 8, 1995
Inventor
Bruce D. Burrows
Assignee (at issue)
Ebtech Inc.
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.