Granted Patent
Utility
US 3,958,766 · App. 05/583,067
Cutterhead rotating mechanism for forage harvester
Inventor:
Joe E. Shriver
Patented Case
View Patent ↗
Granted: May 25, 1976
Filed: Jun 2, 1975
Inventor
Joe E. Shriver
Assignee (at issue)
Sperry-New Holland Sperry Rand 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.