US Patent: 1,138,465
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| Chuck
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Patentees:
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| Thomas J. Fegley (exact or similar names) - Philadelphia, PA |
| George O. Leopold (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
Nov. 19, 1914 |
| Granted: |
May 04, 1915 |
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Patent Pictures:
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1 | 2
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Steve Gosselin
"Vintage Machinery" entry for North Bros. Manufacturing Co.
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Description: |
| Another improvement to the North Brothers Yankee, chuck used on many spiral screwdrivers and ratchet screwdrivers in their line. |
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