| US Patent: 313,294 
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| Log-crib | 
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| Patentees: |  
 | Columbus C. Barker (exact or similar names) - Bay City, MI |  | Thomas Craney (exact or similar names) - Bay City, MI |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Applied: | Dec. 10, 1884 |  
| Granted: | Mar. 03, 1885 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | Where logs were normally moved in water by chaining them together into rafts, this invention proposes loading the logs onto a permanent "raft-crib" made of timbers bolted together into a two-layer arrangement, the logs in the two layers at right angles to one another. |  |