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| Patents for L. S. Colburn & Son | |||||
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| Number | Date | Patentee | Title | Type | |
| 82,802 | Oct. 06, 1868 | L.S. Colburn | Improvement in slat-machines | windowblind machines | |
| 82,803 | Oct. 06, 1868 | L.S. Colburn | Improvement in machines for boring window-blinds | windowblind machines | |