| US Patent: 3,003,472 
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| Quill Actuating and Clamping Mechanism | 
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| Patentees: |  
 | 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: |  | 409/206, 409/241, 91/172, 91/186, 91/44, 91/447, 91/45, 91/469, 91/517, 92/20, 92/28 |  
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Sep. 14, 1959 |  
| Granted: | Oct. 10, 1961 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Kearney & Trecker Co.
 
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