US Patent: 310,019
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| Combined Wrench and Gage For Gas Service-Pipe Cocks
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Patentee:
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| Alfred G. Bayles (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 25, 1884 |
| Granted: |
Dec. 30, 1884 |
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Patent Pictures:
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Alfred G. Bayles patent December 30, 1884 |
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Stan Schulz
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Description: |
| "The slotted handle of the wrench is provided with a scale of division marks, so that the adjustable gage-pin can be readily set to prevent the cock from being opened beyond a fixed point." |
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