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US Patent: 1,542,826
Chuck
Patentee:
Holger Nielsen (exact or similar names) - Lawton, MI

USPTO Classifications:
279/69

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

Assignees:
Nielsen-Barton Chuck & Tool Co. - Lawton, MI

Manufacturer:
Nielsen-Barton Chuck & Tool Co. - Lawton, MI

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 23, 1924
Granted: Jun. 23, 1925

Patent Pictures:
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Vintage Machinery entry for Nielsen-Barton Chuck & Tool Co,
Description:
An example is reported, labelled "The "Nielsen", Lawton, Mich., USA. Patented June 23, 1925".

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