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| Patents for James Henry Watson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | RE10,140 | Jun. 20, 1882 | J.H. Watson | Feed and gig works for saw-mills | |
| 331,590 | Dec. 01, 1885 | J.H. Watson, C.H. Hubbell | Feed for Gang Saws | ||