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US Patent: 638,274
Metal-working machine
Patentees:
Salmon W. Putnam - Fitchburg, MA
Salmon W. Putnam, Jr. - Fitchburg, MA

USPTO Classifications:
409/327

Tool Categories:
metalworking machines : metal shapers

Assignees:
None

Manufacturer:
Putnam Machine Co. - Fitchburg, MA

Witnesses:
Percival R. Bowers
George H. Knight

Patent Dates:
Applied: Jun. 23, 1899
Granted: Dec. 05, 1899

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Putnam Machine Co.

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