US Patent: 466,232
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| Flange Wrench
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Patentees:
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| Edward Harper (exact or similar names) - Leadville, CO |
| Paul G. Metzler (exact or similar names) - Leadville, CO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 08, 1891 |
| Granted: |
Dec. 29, 1891 |
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Patent Pictures:
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Edward Harper and Paul G. Metzler patent December 29, 1891 |
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Stan Schulz
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Description: |
| Studs in the central disk fit bolt holes in the flange to be screwed. The lever handle with its lug slides on the central pivot, and the lug engages one of the peripheral notches on the central disk. |
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