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| Patents for Mellor & Orum | |||||
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| Number | Date | Patentee | Title | Type | |
| 38,712 | May 26, 1863 | D. McKinley | Improved rotary cutter for planing-machine | cutterheads | |
| 80,648 | Aug. 04, 1868 | C.H. Mellor | Improvement in molding-machine | molders | |
| 140,938 | Jul. 15, 1873 | M.L. Orum, C.H. Mellor | Improvement in rotary cutters | cutters | |