Granted Patent
Utility
US 5,847,389 · App. 08/645,350
Seed monitoring system for counting seeds as they are dispensed through seed tubes in an air seeding system
Inventors:
Karl-Heinz O. Mertins, Barry D. Batcheller, Douglas L. Hauck, Christopher J. Skarie, Jon Thomas Jacobson
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: May 13, 1996
Inventors
Karl-Heinz O. Mertins
Barry D. Batcheller
Douglas L. Hauck
Christopher J. Skarie
Jon Thomas Jacobson
Assignee (at issue)
Phoenix International Holdings, 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.