Granted Patent
Utility
US 5,273,083 · App. 08/011,749
Bottle cap and valve assembly for a bottled water station
Inventor:
Bruce D. Burrows
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: Feb 1, 1993
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.