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| All Patents in class 221/274 | |||||
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| Number | Date | Patentee | Title | Type | |
| 181,258 | Aug. 22, 1876 | F.A. Gleason | Improvement in nail-plate feeders | nailing machines | |
| 699,120 | Apr. 29, 1902 | E.E. Thomas | Skid-arm for double-cutting band-mills | sawmill log handling | |
| 845,152 | Feb. 26, 1907 | R. Weir | Log-roller | sawmill log handling | |
| 904,503 | Nov. 24, 1908 | P.L. Billingsley | Attachment for nailing-machines | nailing machines | |
| 1,074,158 | Sep. 30, 1913 | E.J. Bell, C.G. Dauber | Dowel gluing and driving machine | dowel insertion machines | |