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US Patent: 981,724
Automatic Chuck for Boring and Turning Mills
Patentee:
Lars H. Vold - Westville, Gloucester County, NJ

USPTO Classifications:
279/114, 279/71, 408/106, 82/122

Tool Categories:
metalworking machines : drilling and boring : vertical boring mills

Assignees:
William Sellers & Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 19, 1910
Granted: Jan. 17, 1911

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for William Sellers & Co.

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