Granted Patent
Utility
US 4,418,521 · App. 06/329,786
Harvester with selective force balanced shaking mechanism
Inventors:
Franklin P. Orlando, Donald G. Mortensen
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Dec 11, 1981
Inventors
Franklin P. Orlando
Donald G. Mortensen
Assignee (at issue)
FMC 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.