Granted Patent
Utility
US 4,601,583 · App. 06/695,321
Multi-hubbed separable blade agitators
Inventor:
Franklyn J. Amorese
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Jan 28, 1985
Inventor
Franklyn J. Amorese
Assignee (at issue)
Kennecott Holdings Company
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.