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US Patent: 2,682,933
Clamping mechanism for machine tools
Patentee:
William G. Hoelscher - Cincinnati, OH

USPTO Classifications:
188/75, 408/236, 74/54

Tool Categories:
metalworking machines : drilling and boring : drill presses : radial drill presses
woodworking machines : wood drilling and boring : drill presses : radial drill presses

Assignees:
American Tool Works Co. - Cincinnati, OH

Manufacturer:
American Tool Works Co. - Cincinnati, OH

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 05, 1950
Granted: Jul. 06, 1954

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for American Tool Works Co.

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