US Patent: 407,554
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| Drill Chuck
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Patentees:
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| Charles Taylor (exact or similar names) - Birmingham, West Midlands County, England |
| George Benjamin Taylor (exact or similar names) - Birmingham, West Midlands County, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 20, 1888 |
| Granted: |
Jul. 23, 1889 |
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Joel Havens
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Description: |
| Patented in England, 18 Oct 1887, # 14,146;in France, 24 Jul 1888, #191,994;and in Belgium, 25 Jul 1888, # 82,685 |
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