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| Patents for Alexander S. Steuart | |||||
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| Picture | Number | Date | Patentee | Title | |
| 620,567 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine | ||
| 620,568 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine | ||
| 621,795 | Mar. 28, 1899 | I.W. Colburn | Glass-working machine | ||
| 696,008 | Mar. 25, 1902 | I.W. Colburn | Glass-working machine | ||