| US Patent: 1,308,654 
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| Lumber Rule | 
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| Patentee: |  |
 | Samuel P. Bopst (exact or similar names) - Washington, DC |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Aug. 23, 1918 |  
| Granted: | Jul. 01, 1919 |  USPTO (New site tip)
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                        Russ Allen.
 
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| Description: |  | Head has two spaced prongs on each side which allows the rule to not only push or pull lumber when grading but also to turn the lumber over. |  |