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| Patents for Matthias J. Rice | |||||
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| Number | Date | Patentee | Title | Type | |
| 46,823 | Mar. 14, 1865 | M.J. Rice, W.H. Millen | Improved journal-box | industrial machine pulleys and belt drive mechanisms | |
| 49,591 | Aug. 22, 1865 | M.J. Rice, W.H. Millen | Improved journal-box | industrial machine pulleys and belt drive mechanisms | |