Granted Patent
Utility
US 5,959,257 · App. 09/060,528
System for weighing material on a conveyor
Inventors:
Ronald H. Campbell, Paul W. Dow, Allen E. Russell
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Apr 15, 1998
Inventors
Ronald H. Campbell
Paul W. Dow
Allen E. Russell
Assignee (at issue)
HarvestMaster, 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.