US Patent: 366,451
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| Chain Wrench
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Patentee:
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| William H. Brock (exact or similar names) - Brooklyn, NY |
| USPTO Classifications: |
| 81/68 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 22, 1887 |
| Granted: |
Jul. 12, 1887 |
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Patent Pictures:
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William H. Brock patent July 12, 1887 |
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Stan Schulz
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Description: |
| The patent is for the shape of the chain in the area of the "dog," and the shape of the engaging "dog."
An aspect of the chain combined with Brock's Dec. 20, 1887 patent (no. 375,119) was used in the BROCK STANDARD chain wrench produced by the Brock Wrench Company of Brooklyn, N.Y. |
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