US Patent: 169,027 
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| Improvement in joiners' clamps
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	        Patentee:
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 | Gustav Adolph Naumann (exact or similar names) - St. Louis, MO |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Sep. 06, 1875 | 
 
| Granted: | 
Oct. 19, 1875 | 
 
 
 
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                        Carl Matthews 
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| 
        Description: |  
| This patent was subsequently improved in 174,838. Clamp is the "Jorgensen" style, but with a quick-release mechanism. |  
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