| All Patents in class 33/404 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 339,158 | Apr. 06, 1886 | J.A. Finley | Combined square, level, and bevel | bevel squares |
| 339,287 | Apr. 06, 1886 | C. Gates | Combined plumb, level, and square | levels |
| 339,682 | Apr. 13, 1886 | A. Nilsen | Square and protractor for builders' use | carpenter squares |
| 784,674 | Mar. 14, 1905 | A. Haag | Combination Tool | bevels |
| 980,362 | Jan. 03, 1911 | L.S. Starrett | Combined Square and Bevel Protractor | protractors |
| 1,011,042 | Dec. 05, 1911 | H. Eweler | Combination Saw | |
| 1,011,262 | Dec. 12, 1911 | L.S. Starrett | Combination Tool | try squares |
| 1,403,606 | Jan. 17, 1922 | C.L. Klapproth | Level | levels |
| 1,408,800 | Mar. 07, 1922 | F.G. Cole | Carpenter's Square and Bevel | bevels |
