Granted Patent
Utility
US 6,587,771 · App. 10/002,255
Variable feeder and header drive system for an agricultural harvesting machine
Inventors:
Dale W. Panoushek, Sam J. Acker, Eric L. Walker
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Nov 15, 2001
Inventors
Dale W. Panoushek
Sam J. Acker
Eric L. Walker
Assignee (at issue)
Case GmbH
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.