Granted Patent
Utility
US 6,077,427 · App. 09/159,974
Water vending machine
Inventor:
Bruce D. Burrows
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Sep 24, 1998
Inventor
Bruce D. Burrows
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.