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| Patents for H. H. Scoville Jr. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 48,030 | May 30, 1865 | H.H. Scoville, Jr. | Improved amalgamator | |
 | 201,646 | Mar. 26, 1878 | C.M. Brown | Improvement in ore crushers and grinders | |