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| All Patents in class 55/430 | |||||
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| Number | Date | Patentee | Title | Type | |
| 98,037 | Dec. 21, 1869 | W.S. Colwell | Improvement in device for conveying sawdust from saws | waste collection mechanisms | |
| 400,391 | Mar. 26, 1889 | E. Bretney | Dust-collector | waste collection mechanisms | |
| 450,372 | Apr. 14, 1891 | O.M. Morse | Dust-collector | waste collection mechanisms | |