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| Patents for P. F. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 488,618 | Dec. 27, 1892 | P. Stovall | Variable friction-feed in sawmills | sawmill feed works | |
| 857,566 | Jun. 18, 1907 | A. Franchetti | Atomizing Spray Nozzle | oil engines | |