Granted Patent
Utility
US 4,363,428 · App. 06/184,131
Bulk bin feed delivery apparatus
Inventor:
Joseph A. Kruger
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Sep 4, 1980
Inventor
Joseph A. Kruger
Assignee (at issue)
Brock Manufacturing, 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.