US Patent: 441,199
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| Wrench
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Patentee:
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| Stephen D. Shambarger (exact or similar names) - New Britain, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 16, 1890 |
| Granted: |
Nov. 25, 1890 |
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Patent Pictures:
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Stephen D. Shambarger patent November 25, 1890 |
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Stan Schulz
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Description: |
| A set screw engaging one of several dimples in the back of the main bar provides basic size adjustment for the frame carrying the movable jaw. Motion of the lever handle advances the gripping face of the adjustable jaw. |
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