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| All Patents in class 65/301 | |||||
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| Number | Date | Patentee | Title | Type | |
| 620,567 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine | ||
| 620,568 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine | ||
| 620,642 | Mar. 07, 1899 | I.W. Colburn | Glass-working machine | ||
| 621,794 | Mar. 28, 1899 | I.W. Colburn | Glass-working machine | ||
| 621,795 | Mar. 28, 1899 | I.W. Colburn | Glass-working machine | ||
| 659,289 | Oct. 09, 1900 | H.J. Colburn | Glass-blowing machine | ||
| 659,290 | Oct. 09, 1900 | L.H. Colburn | Glass-blowing machine | ||