US Patent: 988,723
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| Change-speed gearing
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Patentee:
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| John A. Leland (exact or similar names) - Montague, MA |
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Patent Dates:
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| Applied: |
Jul. 13, 1910 |
| Granted: |
Apr. 04, 1911 |
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Patent Pictures:
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Leland 988,723 |
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George Langford
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Description: |
| The Millers Falls Company's early days drill related patents were directed at the chuck. In the 20th century they were geard towards improving the usability of the drill. Could pressure from Goodell -Pratt and North Brothers designs have driven that change? |
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