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| Patents for Royal D. Tomlinson | |||||
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| Number | Date | Patentee | Title | Type | |
| 724,972 | Apr. 07, 1903 | R.D. Tomlinson | Condenser | steam condensers | |
| 863,115 | Aug. 13, 1907 | R.D. Tomlinson | Condenser | steam condensers | |