US Patent: 2,925,747 
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| Machine Tools
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	        Patentees:
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 | Joseph B. Armitage (exact or similar names) - Wauwatosa, Milwaukee County, WI |  
| John B. Lukey (exact or similar names) - West Allis, Milwaukee County, WI |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Aug. 25, 1948 | 
 
| Granted: | 
Feb. 16, 1960 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co. 
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        Description: |  
| Original Application on 25 Aug 1948, now patent #2,692,518. Divided and this application on 17 May 1954. |  
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