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| Patents for Indianapolis Machine & Bolt Works | |||||
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| Number | Date | Patentee | Title | Type | |
| 279,496 | Jun. 12, 1883 | O.R. Olsen | Hoop-planer | hoop making machines | |
| 294,698 | Mar. 04, 1884 | N.C. Stiles | Die for forming pulley-centers | pulley making machines | |