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| Patents for Seymour A. Bostwick | |||||
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| Number | Date | Patentee | Title | Type | |
| 225,682 | Mar. 23, 1880 | S.A. Bostwick | Combined drill and bit-stock | hand drills | |
| 271,595 | Feb. 06, 1883 | S.A. Bostwick | Pipe Wrench | pipe wrenches | |