Granted Patent
Utility
US 4,384,445 · App. 06/340,599
Mechanism for releasably clamping a wheel assembly to a header cutterbar
Inventor:
Irwin D. McIlwain
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Jan 19, 1982
Inventor
Irwin D. McIlwain
Assignee (at issue)
Sperry Corp.
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.