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| Patents for Detroit Sheet Metal & Brass Works | |||||
| Number | Date | Patentee | Title | Type | |
| 610,634 | Sep. 13, 1898 | E. McCoy | Lubricator | steam engine lubricators | |
| 627,624 | Jun. 27, 1899 | G.N. McMillan | Lubricator | steam engine lubricators | |