| US Patent: 1,570,799 
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| Work Clamping Mechanism for Vertical Boring and Turning Mills | 
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| Patentees: |  
 | Alfred Trosch (exact or similar names) - Rochester, Monroe County, NY |  | George William Moreton (exact or similar names) - Wilmington, Newcastle County, DE |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 29, 1924 |  
| Granted: | Jan. 26, 1926 |  USPTO (New site tip)
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                        Joel Havens
 "Vintage Machinery" entry for Consolidated Machine Tool Corp. of America
 
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