US Patent: 416,500
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| Pipe Wrench
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Patentee:
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| Richard J. Robbins (exact or similar names) - Suspension Bridge, NY |
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Patent Dates:
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| Applied: |
Jul. 17, 1889 |
| Granted: |
Dec. 03, 1889 |
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Patent Pictures:
[
1 | 2 | 3 | 4
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Richard J. Robbins patent December 3, 1889 |
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Stan Schulz
GRAHAM PATENT VISE WRENCH (FLICKR)
Graham, Bailey & Co. (FLICKR)
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Description: |
| Suspension Bridge, NY is now the northern part of Niagara Falls, NY. Made in nominal 14", 22", 36" & 48" lengths to fit pipe from 1/2" to 6".
Early production by Graham Vise Wrench Co.; an announcement in Aug. 16, 1890 AGE OF STEEL notes Graham, Bailey & Co. succeeded the Graham Vise Wrench Co. and was making some modifications to the tools (see 2nd image). Examples are known having markings reflecting both makers, along with many examples having no visible markings. Also called THE BUFFALO WRENCH.
CA-33192 and GB-188919421 are corresponding Canadian and British patents, respectively. |
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