Granted Patent
Utility
US 4,599,852 · App. 06/758,312
Adjustable leaf spring suspension for flexible cutterbar
Inventors:
Dathan R. Kerber, Orlin W. Johnson, Richard E. Benson
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Jul 24, 1985
Inventors
Dathan R. Kerber
Orlin W. Johnson
Richard E. Benson
Assignee (at issue)
J. I. Case Company
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.