US Patent: 2,209,469
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| Operating Control Mechanism for Milling Machines
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Patentees:
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| Lester F. Nenninger (exact or similar names) - Cincinnati, Hamilton County, OH |
| Erwin G. Roehm (exact or similar names) - Norwood, Hamilton County, OH |
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Patent Dates:
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| Applied: |
May 31, 1934 |
| Granted: |
Jul. 30, 1940 |
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Joel Havens
"Vintage Machinery" entry for Cincinnati Milling Machine Co.
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Description: |
| This patent number was seen on a Cincinnati Milling Machine Co. patent plate.
Original application file 31 May, 1934, now patent #2,164,884. Divided and this application filed 13 Feb., 1939. |
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