Granted Patent
Utility
US 6,164,222 · App. 09/433,875
Regulator for nurse induction unit on air seeders
Inventors:
Dean Mayerle, David R. Hundeby, Ronald Engen, George Neufeld
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Nov 4, 1999
Inventors
Dean Mayerle
David R. Hundeby
Ronald Engen
George Neufeld
Assignee (at issue)
Flexi-Coil Ltd.
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.