US Patent: 674,194
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| Chain Wrench
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Patentee:
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| William H. Brock (exact or similar names) - Long Island City, NY |
| USPTO Classifications: |
| 81/70 |
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Patent Dates:
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| Applied: |
Feb. 08, 1901 |
| Granted: |
May 14, 1901 |
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Patent Pictures:
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William H. Brock patent May 14, 1901 |
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Stan Schulz
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Description: |
| The "hooks" on opposite side of the gripping head are offset from each other, to provide a greater sub-division of effective gripping surface within the overall capacity of the wrench.
Advertised as Brock's YANKEE pipe wrench; in 6 sizes ranging in length from 20 to 64 inches. The Brock Wrench Co. sold to Green, Tweed & Co. in 1915. |
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