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| Patents for Henry C. Truesdall | |||||
| Number | Date | Patentee | Title | Type | |
| 632,486 | Sep. 05, 1899 | H.J. Colburn | Automatic blast-regulator for glass-blowing furnaces | ||
| 698,817 | Apr. 29, 1902 | H.J. Colburn | Glass-blowing machine | ||
| 698,818 | Apr. 29, 1902 | L.H. Colburn | Glass-blowing machine | ||