Granted Patent
Utility
US 5,381,967 · App. 08/104,557
Hopper which is vibrated so as to dispense product
Inventor:
Alan M. King
Patented Case
View Patent ↗
Granted: Jan 17, 1995
Filed: Aug 11, 1993
Inventor
Alan M. King
Assignee (at issue)
VKI Technologies 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.