| All Patents in class 33/480 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 17,991 | Aug. 11, 1857 | J. Whitney | Adjustment for Try Squares | try squares |
| 28,859 | Jun. 26, 1860 | J. Hathen | Carpenter's Square | try squares |
| 49,670 | Aug. 29, 1865 | J. Williams | Improvement in Try Squares | try squares |
| 66,946 | Jul. 23, 1867 | A.M. Miller, J. Burt | Improvement in Trial Squares | try squares |
| 114,634 | May 09, 1871 | L. Bailey | Improvement in Adjustable Try Squares | try squares |
| 125,858 | Apr. 16, 1872 | J.A. Traut | Improvement in Try-Squares | try squares |
| 126,527 | May 07, 1872 | J. Morss, H. Disston | Improvement in Try Squares | try squares |
| 138,113 | Apr. 22, 1873 | W.F. Arnold | Improvement in Try Squares | try squares |
| 145,715 | Dec. 23, 1873 | L. Bailey | Try-Square | try squares |
| 151,254 | May 26, 1874 | J.A. Traut | Improvement in Try-Squares | try squares |
| 182,620 | Sep. 26, 1876 | F. Veazie | Try Square | try squares |
| 252,436 | Jan. 17, 1882 | S. Darling | Metallic Try Square | try squares |
| 386,487 | Jul. 24, 1888 | J. Murray | Combined Square, Miter, and Try Square | |
| 389,549 | Sep. 18, 1888 | E.P. Crosby | Combination Tool | combination tools |
| 427,113 | May 06, 1890 | C.W. Reeves | Square | try squares |
