Granted Patent
Utility
US 4,337,612 · App. 06/210,882
Row crop unit
Inventors:
Earl E. Dean, Marshall Lawrence Quade, William Temple
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Dec 28, 1980
Inventors
Earl E. Dean
Marshall Lawrence Quade
William Temple
Assignee (at issue)
Massey Ferguson Group Limited
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.