Granted Patent
Utility
US 5,212,937 · App. 07/786,524
Cotton harvester
Inventors:
Robert M. Fachini, Arvel L. Black
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Nov 1, 1991
Inventors
Robert M. Fachini
Arvel L. Black
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.