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| Patents for Samuel B. Pierce | |||||
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| Number | Date | Patentee | Title | Type | |
| 286,221 | Oct. 09, 1883 | S.B. Pierce | Machine for Cutting Key Seats | key seating machines | |
| 314,470 | Mar. 24, 1885 | S.B. Pierce | Saw-mill roller | sawmill accessories | |