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US Patent: 105,244
Improvement in machine for sharpening the teeth of saws
Harford J. Perkins - Williamsport, PA

USPTO Classifications:
76/40, 76/74, 76/79

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines
tool making : making sawblades : saw gummers

George S. Snyder - Williamsport, PA

William H. Hiner & Co. - Fond du Lac, WI

J. C. Hill
C. D. Brewer

Patent Dates:
Granted: Jul. 12, 1870

Patent Pictures:
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"Vintage Machinery" entry for Wm. H. Hiner & Co.
"Vintage Machinery" entry for Rowley & Hermance Co.
"Vintage Machinery" entry for Perkins & Co.
Inventor Perkins was a partner of Willis J. Perkins in Perkins & Co. This machine was seen in an 1882 Rowley & Hermance catalog, marketed as the "Climax Saw Gummer and Filer". It is uncertain if they actually manufactured the machine, though. An 1875 ad for Union Iron Works, Wm. H. Hiner & Co., says that they are manufacturers of Perkins' Saw Gummer.

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