US Patent: 819,965 
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| Leveling Instrument
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	        Patentee:
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 | Harry S. Williams (exact or similar names) - Springfield, OH |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
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        Patent Dates:
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| Applied: | 
Apr. 10, 1905 | 
 
| Granted: | 
May 08, 1906 | 
 
 
 
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                        Ralph Brendler 
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        Description: |  
| This is a small protractor with an adustable level built in. The patent was assigned to the Ridgely Trimmer Company, a well-known maker of wallpapering tools, so the tool is designed to be attached to a paper-hanger's straightedge. |  
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