Granted Patent
Utility
US 4,527,381 · App. 06/541,759
Lateral flotation mechanism for combine harvesters
Inventor:
Harry F. Mann
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Oct 13, 1983
Inventor
Harry F. Mann
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.