US Patent: 659,368 
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| Truing Gage
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	        Patentees:
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 | John E. Haberlin (exact or similar names) - Bridgeport, CT |  
| William R. Haberlin (exact or similar names) - Bridgeport, CT |  
| Timothy F. Hayes (exact or similar names) - Bridgeport, CT |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Jan. 03, 1900 | 
 
| Granted: | 
Oct. 09, 1900 | 
 
 
 
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                        Joel Havens 
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        Description: |  
| A. M. Wooster - patent attorney |  
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