US Patent: 2,211,201 
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| Machinist's precision level
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	        Patentee:
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 | William B. Fell (exact or similar names) - Rockford, IL |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
May 16, 1938 | 
 
| Granted: | 
Aug. 13, 1940 | 
 
 
 
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                        Jeff Joslin 
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        Description: |  
| This bullseye-style level allows you to read level in two dimensions simultaneously, which is ideal for leveling a precision machine tool. |  
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