US Patent: 883,168
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| Wrench
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Patentee:
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| La Roy Chapman (exact or similar names) - Berwind, CO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 24, 1907 |
| Granted: |
Mar. 31, 1908 |
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Patent Pictures:
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Patent 883,168 - edited drawing |
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Stan Schulz
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Description: |
| The patented claims focus on details of construction; the movable jaw has a rocking end with coarse and fine gripping surfaces. The corresponding fixed jaw has matching surfaces. The movable jaw and adjusting nut are held on to the handle / fixed jaw piece by a small wedge pin. |
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