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US Patent: 1,370,598
Chuck
Patentee:
Donald H. Lapointe - Hartford, Hartford County, CT

USPTO Classifications:
279/147, 279/53

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press chucks

Assignees:
Hartford Special Machinery Co. - Hartford, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Sep. 12, 1919
Granted: Mar. 08, 1921

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Hartford Special Machinery Co.

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