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| All Patents in class 33/565 | |||||
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| Number | Date | Patentee | Title | Type | |
| 332,148 | Dec. 08, 1885 | E. Reizenstein, E.M. Goldsmith | Device for laying off geometric figures | ||
| 360,545 | Apr. 05, 1887 | E.F. Wagner | Draftsman's Rule | draftsmans rule | |
| 434,660 | Aug. 19, 1890 | A.E. Fitzgerald | Ruler | rule attachments | |