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| All Patents in class 30/103 | |||||
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| Number | Date | Patentee | Title | Type | |
| 51,563 | Dec. 19, 1865 | J. Critchley | Pipe Expander | pipe and tube expanders | |
| 476,626 | Jun. 07, 1892 | J.O. Fowler, Jr. | Glass-Tube Cutter | glass cutters | |
| 781,211 | Jan. 31, 1905 | T. Kinkade | Glass Cutter | marking gauges | |