US Patent: 145,399
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Ratchet-Wrenches
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Patentee:
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Isaac C. Colbert (exact or similar names) - Marysville, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 19, 1873 |
Granted: |
Dec. 09, 1873 |
Patent Pictures:
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Isaac C. Colbert Pat. Dec. 9, 1873 |
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Stan Schulz
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Description: |
The ratchet operates with a coil spring. The ratchet barrel has a spring clip to hold interchangeable sockets |
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