| All Patents in class 33/429 |
Patents 16 -
30
of 41
      |
| Number | Date | Patentee | Title | Type |
| 580,910 | Apr. 20, 1897 | U. Townsend, estate of (deceased) | Combination Center Square | |
| 679,934 | Aug. 06, 1901 | R.W. Bailey | Protractor Attachment for Center Finding Instruments | protractors |
| 700,023 | May 13, 1902 | J.U. Duby | Carpenter's Tool | bevel squares |
| 741,292 | Oct. 13, 1903 | R.W. Bailey | Fine Adjustment for Protractors | protractors |
| 752,014 | Feb. 09, 1904 | L.A. Wiesman | Combined Level and Square | squares |
| 768,324 | Aug. 23, 1904 | R.A. Bruel | Miter-Square | miter squares |
| 799,474 | Sep. 12, 1905 | J.A. Larson, C.A. Brage | Carpenter's Tool | squares |
| 814,754 | Mar. 13, 1906 | R.J. Ward | Combination Saw, Square, and Miter | combination saws |
| 893,085 | Jul. 14, 1908 | L.R. Loughborough | Drafting Instrument | bevel squares |
| 1,261,219 | Apr. 02, 1918 | . | Combined Handsaw and Square | |
| 1,315,644 | Sep. 09, 1919 | . | Hand Tool | |
| 1,338,420 | Apr. 27, 1920 | . | Combination Hand Tool | |
| 1,374,815 | Apr. 12, 1921 | R.A. Bruel | Miter-Square | miter squares |
| 1,374,816 | Apr. 12, 1921 | R.A. Bruel | Miter-Square | miter squares |
| 1,385,385 | Jul. 26, 1921 | . | Saw | |
