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| All Patents in class 33/468 | |||||
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| Number | Date | Patentee | Title | Type | |
| 20,356 | May 25, 1858 | J. Lyman | Protractor | protractors | |
| 58,056 | Sep. 18, 1866 | A. Bronson | Combination Square and Bevel Gage | squares | |
| 346,836 | Aug. 03, 1886 | G. Almorth | Protractor | protractors | |
| 655,004 | Jul. 31, 1900 | S.L. Penfield | Contact Goniometer | goniometers | |
| 724,018 | Mar. 31, 1903 | C.L. Kline | Protractor | protractors | |
| 909,686 | Jan. 12, 1909 | C.O. Schellenbach | Protractor | protractors | |
| 1,902,270 | Mar. 21, 1933 | J. Tate | Miter gauge | tablesaw accessories | |