US Patent: 2,142,034
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| Work Holder Mechanism for Machine Tools and the Like
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Patentee:
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| Rollin H. Patrick (exact or similar names) - Deer Park, Hamilton County, OH |
| USPTO Classifications: |
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269/104, 269/160, 269/170, 269/227, 269/239, 269/243, 269/253, 269/266, 269/309, 269/319, 269/59, 269/62, 409/903
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Patent Dates:
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| Applied: |
May 29, 1936 |
| Granted: |
Dec. 27, 1938 |
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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. |
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