Granted Patent
Utility
US 6,216,616 · App. 09/356,667
Mid row banding coulter drill
Inventor:
Gerard Bourgault
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jul 19, 1999
Inventor
Gerard Bourgault
Assignee (at issue)
Bourgault Industries 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.