US Patent: 1,801,686
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| Machine-Tool Organization
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Patentees:
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| Fred A. Parsons (exact or similar names) - Milwaukee, Milwaukee County, WI |
| Joseph B. Armitage (exact or similar names) - Milwaukee, Milwaukee County, WI |
| Edward J. Kearney (exact or similar names) - Wauwatosa, Milwaukee County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 17, 1924 |
| Granted: |
Apr. 21, 1931 |
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Joel Havens
"Vintage Machinery" entry for Kearney & Trecker Co.
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