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| Patents for L. C. Pigford | |||||
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| Number | Date | Patentee | Title | Type | |
| 926,675 | Jun. 29, 1909 | J.H. Miner | Insertable saw-tooth | insertable saw teeth | |
| 1,016,843 | Feb. 06, 1912 | J.H. Miner | Acetylene-gas generator | ||
| 1,033,919 | Jul. 30, 1912 | J.H. Miner | Wheel-flange lubricator | flange lubricators | |