US Patent: 513,594
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| Wrench
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Patentee:
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| William A. Papoun (exact or similar names) - Baker City, OR |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 17, 1893 |
| Granted: |
Jan. 30, 1894 |
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Patent Pictures:
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William A. Papoun patent January 30, 1894 |
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Stan Schulz
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Description: |
| Sliding wedge pieces in the sides of the movable jaw engage rack teeth in the sides of the shank to hold the adjustment. The wedge pieces slide in slots that angle inward. |
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