US Patent: 461,402
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Combination Tool
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Patentee:
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Edward A. Cochran (exact or similar names) - Pasadena, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 28, 1891 |
Granted: |
Oct. 13, 1891 |
Patent Pictures:
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Edward A. Cochran patent October 13, 1891 |
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Stan Schulz
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Description: |
The tool combines screwdriver, hammer, riveting-hammer, and adjustable wrench. The movable wrench jaw is held in engagement with the shank by a spring, and teeth on the jaw that grip teeth on the shank.
The corresponding Canadian patent is no. CA-42,476.
The wrench function was the subject of a subsequent improvement in patent no. 481,389. |
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