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| Patents for Henry R. Frisbie | |||||
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| Number | Date | Patentee | Title | Type | |
| 471,171 | Mar. 22, 1892 | H.R. Frisbie | Steam Whistle | steam whistles | |
| 520,418 | May 29, 1894 | H.R. Frisbie | Steam Chime Whistle | steam whistles | |