US Patent: 755,518
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| Wrench
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Patentee:
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| George Moore (exact or similar names) - Shippingport, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 14, 1903 |
| Granted: |
Mar. 22, 1904 |
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Patent Pictures:
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George Moore patent March 22, 1904 |
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Stan Schulz
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Description: |
| Relative rapid adjustment of the movable jaw obtained by spiral "teeth" cut in an adjusting nut which is set at an angle to the shank. The shank has arc-shaped grooves. |
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