Granted Patent
Utility
US 4,298,170 · App. 05/853,379
Shear bar for forage harvesters or the like
Inventor:
Benjamin H. Snavely
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Nov 21, 1977
Inventor
Benjamin H. Snavely
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.