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| Patents for John Wallace | |||||
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| Number | Date | Patentee | Title | Type | |
| 533,124 | Jan. 29, 1895 | D.B. Hanson | Offsetting Sawmill Carriage | sawmill carriages | |
| 651,512 | Jun. 12, 1900 | W.W. Philbrick | Matcher-head | cutterheads | |