| US Patent: 1,832,694 
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| Auxiliary Manual Means for Actuating Hydraulic Motors | 
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| Patentees: |  
 | Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH |  | Lester F. Nenninger (exact or similar names) - Cincinnati, Hamilton County, OH |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Sep. 15, 1927 |  
| Granted: | Nov. 17, 1931 |  USPTO (New site tip)
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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 4FV-101. |  |