US Patent: 992,572
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| Tool-chuck
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Patentee:
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| Joseph H. McLaughlin (exact or similar names) - Millers Falls, MA |
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Patent Dates:
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| Granted: |
May 16, 1911 |
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Kirk Eppler
"Vintage Machinery" entry for Millers Falls Co.
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Description: |
| "The invention has relation to tool chucks, being primarily designed for use with a ratchet brace, such as is disclosed in my Patent 935,047, dated Sept. 28, 1909, but capable of use with any tool having a shank or stem detachably fitting in a chuck." |
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