Granted Patent
Utility
US 4,337,878 · App. 06/191,276
Method of weighing and dispensing material from a surge bin
Inventor:
James D. Brock
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Sep 26, 1980
Inventor
James D. Brock
Assignee (at issue)
Astec Industries, 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.