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| All Patents in class 33/571 | |||||
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| Number | Date | Patentee | Title | Type | |
| 848,193 | Mar. 26, 1907 | H. Mann, M. Morton | Scribing Device | scribes | |
| 2,522,886 | Sep. 19, 1950 | D.D. Moore | Stencil Cutting Gauge | measurement gauges | |