US Patent: 856,084
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| Scaffold-Support
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Patentees:
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| Elijah McCoy (exact or similar names) - Detroit, Wayne County, MI |
| Charles H. H. Wheeler (exact or similar names) - Detroit, Wayne County, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 28, 1906 |
| Granted: |
Jun. 04, 1907 |
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Joel Havens
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