Granted Patent
Utility
US 4,921,140 · App. 07/242,818
Bar gun with selectable outlets
Inventor:
Robert David John Belcham
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Sep 2, 1988
Inventor
Robert David John Belcham
Assignee (at issue)
IMI Cornelius (UK) Limited
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.