US Patent: 3,003,472
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| Quill Actuating and Clamping Mechanism
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Patentees:
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| Robert M. Ferris (exact or similar names) - Hales Corners, Milwaukee County, WI |
| Denison C. Miller (exact or similar names) - Milwaukee, Milwaukee County, WI |
| USPTO Classifications: |
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409/206, 409/241, 91/172, 91/186, 91/44, 91/447, 91/45, 91/469, 91/517, 92/20, 92/28
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 14, 1959 |
| Granted: |
Oct. 10, 1961 |
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Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co.
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