US Patent: 1,699,870
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| Portable tool
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Patentees:
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| Alonzo Galloway Decker (exact or similar names) - Baltimore, MD |
| Samuel Duncan Black (exact or similar names) - Baltimore, MD |
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Patent Dates:
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| Applied: |
Sep. 26, 1923 |
| Granted: |
Jan. 22, 1929 |
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Jeff Joslin
Vintage Machinery entry for Black & Decker Mfg. Co., Ltd.
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Description: |
| "The object of the present invention is to product a tool which can be used as a combined screw driver or socket wrench and drill." The innovation is a clutch that can be disabled when the tool is used as a drill. |
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