US Patent: 65,532 
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| Improvement in Graduated Bevel Squares
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	        Patentees:
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 | Solomon E. Bickford (exact or similar names) - Franklin, NH |  
| Frederick Flanders (exact or similar names) - Franklin, NH |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Granted: | 
Jun. 11, 1867 | 
 
 
 
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                        Russ Allen. 
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        Description: |  
| Two bladed bevel with one blade with inner and outer scales and the second blade with an indicator for the scales. |  
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