US Patent: 799,917
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| Wrench
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Patentee:
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| Robert N. Miller (exact or similar names) - Pittsburgh, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 27, 1905 |
| Granted: |
Sep. 19, 1905 |
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Patent Pictures:
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Robert N. Miller Pat. Sept. 19, 1905 |
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Stan Schulz
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Description: |
| An improvment on Miller's Feb. 7, 1905 patent (no. 781,963). In this improvement, the curved yoke at the base of the adjusting screw can be pushed toward the shank, thereby releasing gripping teeth on the back side of the yoke. This allows the entire adjustable jaw assembly to be quickly adjusted. The screw adjuster provides final fine adjustment. |
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