| US Patent: 99,863 
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| Improvement in tool for checking timber | 
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| Patentee: |  |
 | Arthur W. Dorr (exact or similar names) - Lake Valley, CA |  
 
 
 
 
| Manufacturer: |  | Not known to have been produced |  
 
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| Patent Dates: |  
| Granted: | Feb. 15, 1870 |  USPTO (New site tip)
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                        Jeff Joslin
 
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| Description: |  | "This invention relates to a new and improved device for checking timber for the manufacture or riving of staves, shingles, clapboards, &c., and is more especially designed for the use of frontier men; most articles of the kind specified being made by hand for local use in the frontier sections." |  |