US Patent: 2,603,321
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| Machine Tool Control Mechanism
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Patentees:
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| Joseph B. Armitage (exact or similar names) - Wauwatosa, Milwaukee County, WI |
| James N. Flannery (exact or similar names) - West Allis, Milwaukee County, WI |
| John B. Lukey (exact or similar names) - Milwaukee, Milwaukee County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 30, 1947 |
| Granted: |
Jul. 15, 1952 |
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Joel Havens
"Vintage Machinery" entry for Kearney & Trecker Co.
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