Granted Patent
Utility
US 6,141,886 · App. 09/197,988
Grain metering system for a grain dryer having improved grain flow angle configuration at grain column discharge opening
Inventors:
L. Michael Watson, Phillip C. Middaugh
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Nov 23, 1998
Inventors
L. Michael Watson
Phillip C. Middaugh
Assignee (at issue)
ffi Corporation
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.