US Patent: 207,181 
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| Improvement in blind-wiring machines
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	        Patentee:
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 | Carl Hinz (exact or similar names) - San Francisco, CA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Jun. 11, 1878 | 
 
| Granted: | 
Aug. 20, 1878 | 
 
 
 
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                        Jeff Joslin Vintage Machinery entry for Rowley & Hermance Co. Vintage Machinery entry for Carl Hinz 
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        Description: |  
| The inventor subsequently patented an improved blind wiring machine in patent 239,782, and then manufactured that one for a time before selling it to Rowley & Hermance. We have not been able to confirm that Hinz also manufactured this earlier design, but it seems likely. |  
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