Granted Patent
Utility
US 5,228,486 · App. 07/890,674
Control circuit and method for automatically dispensing beverages
Inventor:
William Henninger
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: May 29, 1992
Inventor
William Henninger
Assignee (at issue)
Wilshire Partners
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.