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US Patent: 441,071
Chuck
Patentee:
Alfred Muir (exact or similar names) - Manchester, Lancaster County, England

USPTO Classifications:
279/91, 433/127

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. L. Richards
E. B. Bolton
Herbert R. Abbey
S. W. Gillett

Patent Dates:
Applied: Mar. 28, 1890
Granted: Nov. 18, 1890

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for William Muir & Co.
Description:
Patented in England 28 Feb, 1890, #3,191.

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