| All Patents in class 33/340 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 19,105 | Jan. 12, 1858 | L.C. Stephens | Carpenter's Rule |
 | 201,371 | Mar. 19, 1878 | W.P. Walter | Improvement in Combined Bevel, Square, and Level |
 | 339,287 | Apr. 06, 1886 | C. Gates | Combined plumb, level, and square |
 | 369,547 | Sep. 06, 1887 | G. Nicolescu | Combined Try Square, Surface Gage, and Level |
 | 439,458 | Oct. 28, 1890 | R.E. Woodruff | Combined Rule, Square, Bevel, Scribe-Gage, Spirit Level, and Dividers |
| | 548,329 | Oct. 22, 1895 | F. Steemmerich | Key Seat Rule |
 | 649,626 | May 15, 1900 | H. Braun | Adjustable Level and Gage Attachment for Squares |
| | 732,827 | Jul. 07, 1903 | S. Chambers | Combination Tool |
 | 740,742 | Oct. 06, 1903 | J.F. Bush | Rule |
 | 825,217 | Jul. 03, 1906 | S.E. Hodge, E.N. Hull | Combination square, level, bevel, and compass |
