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US Patent: 930,662
Nurling-tool
Knurling tool for turret lathe
Patentee:
Arthur W. Graham (exact or similar names) - Providence, RI

USPTO Classifications:
125/37, 72/126, 72/703

Tool Categories:
metalworking tools : knurling tools

Assignees:
None

Manufacturer:
Graham Mfg. Co. - Providence, RI

Witnesses:
E. I. Ogden
Howard E. Barlow

Patent Dates:
Applied: Jan. 27, 1908
Granted: Aug. 10, 1909

Patent Pictures: [ 1 | 2 ]
Image courtesy and © Jim Bode, www.jimbodetools.com
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Vintage Machinery entry for Graham Mfg. Co.
Description:
This device was featured in the 1917 "Turret Tools" catalog from Bardons & Oliver of Cleveland. It is described as "Graham's patent". An article in the 1909-04-01 The Iron Age (page 1058) shows this tool, made by Graham Manufacturing Co. of Providence, RI.

This is one of only two patents granted to Arthur W. Graham, the other being a 1909 valve patent, 944,416, that was assigned to Builders Iron Foundry

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