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| Patents for Willamette Iron & Steel Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 768,707 | Aug. 30, 1904 | E.E. Thomas | Tension mechanism for band-saw mills | band sawmills | |
| 773,437 | Oct. 25, 1904 | E.E. Thomas | Log-turner for low mills | sawmill log handling | |
| 776,963 | Dec. 06, 1904 | E.E. Thomas | Log loader and turner | sawmill log handling | |
| 776,964 | Dec. 06, 1904 | E.E. Thomas | Upper guide for band-saw mills | band sawmills | |