Granted Patent
Utility
US 4,441,307 · App. 06/412,953
Harvester header with floating cutter bar
Inventor:
Michael H. Enzmann
Patented Case
View Patent ↗
Granted: Apr 10, 1984
Filed: Aug 30, 1983
Inventor
Michael H. Enzmann
Assignee (at issue)
Allis-Chalmers Corporation
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.