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| Patents for Ernest B. Pratt | |||||
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| Number | Date | Patentee | Title | Type | |
| 321,969 | Jul. 14, 1885 | S.B. Hildreth, E.A. Hildreth | Machine for splitting wood | firewood machines | |
| 331,951 | Dec. 08, 1885 | F.S. Duell | Wrench | ratchet wrenches | |
| 342,923 | Jun. 01, 1886 | F.B. Munroe | Hose Spanner | firehose and hydrant wrenches | |