Granted Patent
Utility
US 6,066,809 · App. 09/348,426
Weighing material on a conveyor
Inventors:
Ronald H. Campbell, Paul W. Dow, Allen E. Russell
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Jul 7, 1999
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.