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| Patents for E. L. Kerr | |||||
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| Number | Date | Patentee | Title | Type | |
| 409,883 | Aug. 27, 1889 | C.F. Thompson | Power-feed mechanism for log-carriages of saw-mills | sawmill feed works | |
| 417,653 | Dec. 17, 1889 | J.B. Stanwood | Steam-engine | steam engine valve gear | |