US Patent: 2,497,842
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| Machine Tool Transmission and Control Mechanism
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Patentees:
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| Joseph B. Armitage (exact or similar names) - Wauwatosa, Milwaukee County, WI |
| Theodore F. Eserkaln (exact or similar names) - Wauwatosa, Milwaukee County, WI |
| Theodore A. Wetzel (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: |
Jan. 22, 1944 |
| Granted: |
Feb. 14, 1950 |
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Joel Havens
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