US Patent: 370,848
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| Wrench
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Patentee:
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| Arthur J. Barber (exact or similar names) - Auburn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 17, 1887 |
| Granted: |
Oct. 04, 1887 |
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Patent Pictures:
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Arthur J. Barber patent October 4, 1887 |
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Stan Schulz
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Description: |
| The knob at the end of the handle turns a rod that extends through the length of the wrench, and which is threaded for part of its length to adjust the movable jaw.
The movable jaw has only partial threads to engage the adjustment screw. |
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