Granted Patent
Utility
US 6,233,843 · App. 09/591,400
Wiper for a floor sweep assembly of a grain dryer associated method
Inventors:
Terry L. McKenzie, Paul Peterson, Wesley L. Peterson
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 12, 2000
Inventors
Terry L. McKenzie
Paul Peterson
Wesley L. Peterson
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.