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| Patents for Seneca M. Richardson | |||||
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| Number | Date | Patentee | Title | Type | |
| 60,787 | Jan. 01, 1867 | S.M. Richardson | Tonguing and grooving cutterhead | cutterheads | |
| 89,245 | Apr. 20, 1869 | S.M. Richardson | Improvement in tenoning-machine | tenoning machines | |
| 313,885 | Mar. 17, 1885 | S.M. Richardson | Planer presser-roll | wood planers | |