US Patent: 25,302
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Wrench
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Patentee:
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Daniel G. Greene (exact or similar names) - North Bridgewater, MA |
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Patent Dates:
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Granted: |
Aug. 30, 1859 |
Patent Pictures:
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Daniel G. Greene Pat. Aug. 30, 1859 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
The movable jaw slides on the shank. It is held in adjustment by a spring-loaded pawl that engages rack teeth cut on the shank. |
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