Granted Patent
Utility
US 6,447,394 · App. 09/857,810
Axial flow combine separator upper guide cover with fin pitch angle
Inventor:
Jose Gryspeerdt
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 11, 2001
Inventor
Jose Gryspeerdt
Assignee (at issue)
New Holland North America, 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.