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| Patents for Edward W. Merrill Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 601,060 | Mar. 22, 1898 | E.W. Merrill, Jr. | Drop-hammer | drop hammers | |
| 821,303 | May 22, 1906 | E.W. Merrill, Jr. | Drop Hammer | drop hammers | |