Granted Patent
Utility
US 5,677,517 · App. 08/365,756
Gravimetric weighing hopper
Inventor:
Daniel Berger
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Dec 29, 1994
Inventor
Daniel Berger
Assignee (at issue)
LCI International 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.