| All Patents in class 33/468 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 20,356 | May 25, 1858 | J. Lyman | Protractor |
 | 58,056 | Sep. 18, 1866 | A. Bronson | Combination Square and Bevel Gage |
 | 78,770 | Jun. 09, 1868 | H.G. Taylor | Combined square and bevel |
 | 82,933 | Oct. 13, 1868 | J.G. Witt, E.B. Foster | Improvement in Adjustable Square and Bevel |
 | 346,836 | Aug. 03, 1886 | G. Almorth | Protractor |
| | 655,004 | Jul. 31, 1900 | S.L. Penfield | Contact Goniometer |
 | 724,018 | Mar. 31, 1903 | C.L. Kline | Protractor |
| | 909,686 | Jan. 12, 1909 | C.O. Schellenbach | Protractor |
 | 1,902,270 | Mar. 21, 1933 | J. Tate | Miter gauge |
