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| Patents for Nathaniel Lombard | |||||
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| Number | Date | Patentee | Title | Type | |
| 594,632 | Nov. 30, 1897 | N. Lombard | Speed Regulator | steam engine governors | |
| 695,464 | Mar. 18, 1902 | N. Lombard | Speed Regulator | steam engine governors | |
| CA-82,049 | Jul. 21, 1903 | N. Lombard | Governor | water wheels | |
| 754,467 | Mar. 15, 1904 | N. Lombard | Relief Valve | relief valves | |
| 754,469 | Mar. 15, 1904 | N. Lombard | Governor | water wheel governors | |
| 1,153,635 | Sep. 14, 1915 | N. Lombard | Friction-clutch | industrial machine clutches | |