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| Patents for Roy Stevens | |||||
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| Number | Date | Patentee | Title | Type | |
| 771,064 | Sep. 27, 1904 | L.J. Hanhart | Band-saw mill | band sawmills | |
| 831,577 | Sep. 25, 1906 | J.R. Thomas | Feeding device for woodworking machinery | wood planers | |