| US Patent: 330,837 
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| Pocket-Rule | 
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| Patentee: |  |
 | Henry Judd (exact or similar names) - West Cheshire, CT |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Mar. 20, 1885 |  
| Granted: | Nov. 17, 1885 |  USPTO (New site tip)
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                        Jeff Joslin (dm)
 
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| Description: |  | The primary claim of this patent has to do with the construction of a joint-rule through the use of rectangular tubular metal body sections rather than wood or ivory. |  |