US Patent: 1,074,466 - Screw-plate


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US Patent: 1,074,466

Screw-plate

Patentee:

Charles C. Russell (exact or similar names) - Greenfield, MA

USPTO Classifications:

408/162, 408/180

Tool Categories:

metalworking tools : tap and die holders

Assignees:

None

Manufacturer:

Greenfield Tap & Die Corp. - Greenfield, MA

Russell Mfg. Co. - Greenfield, MA

Witnesses:

Charles W. Nims

Archibald D. Flower

Patent Dates:
Applied:	Dec. 14, 1912
Granted:	Sep. 30, 1913

Patent Pictures:

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Vintage Machinery entry for Greenfield Tap & Die Corp.

Description:

After this patent was applied for, but before it was issued, the inventor co-founded Russell Mfg. Co. in Greenfield. He was treasurer, and Whitman Russell was president.