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| All Patents in class 33/32.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,636 | Sep. 10, 1850 | J. Shellenberger | Machine for Scribing Lumber | ||
| 464,074 | Dec. 01, 1891 | W. Johnson | Self-Marking Try-Square | try squares | |
| 830,130 | Sep. 04, 1906 | F.J. Britton | Scriber | scribes | |