US Patent: 70,966 
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| Try-Square
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	        Patentee:
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 | J. E. Cowdery (exact or similar names) - Wheatland, IA |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Granted: | 
Nov. 19, 1867 | 
 
 
 
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		  Patent Pictures:
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J. E. Cowdery Pat. Nov. 19, 1867  |  
 
USPTO (New site tip) Google Patents 
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                        Stan Schulz 
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| 
        Description: |  
| The blade of this square works on a pivot and has a hand pointing to a graduated scale. |  
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