Granted Patent
Utility
US 4,807,783 · App. 07/020,380
Water jet injection device for use with dispensers for producing and dispensing beverages mixed of fruit syrup or concentrate and water
Inventor:
Willem van Zijverden
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Mar 2, 1987
Inventor
Willem van Zijverden
Assignee (at issue)
Dagma Deutsche Automaten- und Getrankemaschinen GmbH & Co. KG
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.