Granted Patent
Utility
US 6,308,645 · App. 09/475,866
Seeding machine with bulk seed supply container and independent, opener-mounted metering devices
Inventors:
Kevin Newkirk, Gregory W. Arnett, J. Michael McClure
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Dec 30, 1999
Inventors
Kevin Newkirk
Gregory W. Arnett
J. Michael McClure
Assignee (at issue)
Great Plains Manufacturing, 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.