US Patent: 2,630,717 
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| Transmission and Control Mechanism
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	        Patentees:
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 | Joseph B. Armitage (exact or similar names) - Wauwatosa, Milwaukee County, WI |  
| Theodore F. Eserkaln (exact or similar names) - Wauwatosa, Milwaukee County, WI |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Jan. 06, 1939 | 
 
| Granted: | 
Mar. 10, 1953 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co. 
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        Description: |  
| Original application 06 Jan 1939, now patent #2,415,801. Divided and this application 30 Jan 1947. |  
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