US Patent: 272,478
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| Tap Wrench
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Patentee:
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| R. Fredrick Rice (exact or similar names) - Hartford, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 19, 1883 |
| Granted: |
Feb. 20, 1883 |
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Patent Pictures:
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R. F. Rice patent February 20, 1883 |
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Stan Schulz
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Description: |
| The curved wedge segments that adjust the jaws wedge solidly between the jaws and frame. The knob on the outside of the frame moves the adjusting wedges and also tightens down to hold the adjustment. |
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