US Patent: 457,232
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| Wrench
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Patentee:
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| Samuel Stock (exact or similar names) - Pontiac, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 14, 1891 |
| Granted: |
Aug. 04, 1891 |
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Patent Pictures:
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Samuel Stock patent August 4, 1891 |
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Stan Schulz
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Description: |
| A guide-bar with a longitudinal slot and bolt with wing-nut clamp the movable jaw to hold adjustment.
Ken Cope's "American Wrench Makers 1830-1930" assumes Stock produced this wrench based on a SCIENTIFIC AMERICAN notice of the patent. |
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