The early model - cast iron with 6
stones.
Patent number: 1909743
Filing date: Mar 16, 1927
Issue date: May 16, 1933
This sharpener is in the Western
Reserve Historical Society Museum, Cleveland, OH, donated by Steve
Bottorff.
The later model - metal stampings with 4 stones.
Patent number: 1894579
Filing date: Jan 12, 1928
Issue date: Jan 17, 1933
Copyright 1996 - 2024 by Steve Bottorff