| All Patents of Type: try squares |
Patents 1 -
15
of 89
      |
| Number | Date | Patentee | Title | Type |
| 17,991 | Aug. 11, 1857 | J. Whitney | Adjustment for Try Squares | try squares |
| 18,327 | Oct. 06, 1857 | S. Darling | Manufacture of Metallic Squares | try squares |
| 28,859 | Jun. 26, 1860 | J. Hathen | Carpenter's Square | try squares |
| 36,977 | Nov. 18, 1862 | T.W. Wisner | Improvement in Trying Squares | try squares |
| 41,396 | Jan. 26, 1864 | J. Richards | Improvement in in Trying-Squares | try squares |
| 42,230 | Apr. 05, 1864 | G.A. Shelley | Patent Combination Try Square & Bevel | bevels |
| 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 |
| 67,338 | Jul. 30, 1867 | J. Morss | Improvement in Squares | try squares |
| 70,547 | Nov. 05, 1867 | J. Graham | Bevel & Try Square | bevels |
| 70,966 | Nov. 19, 1867 | J.E. Cowdery | Try-Square | try squares |
| 73,828 | Jan. 28, 1868 | H.L. Ogden | Improvement in Try Squares | try squares |
| RE2,869 | Feb. 18, 1868 | S. Darling | Improvement in the Manufacture of Metallic Squares | try squares |
| 77,130 | Apr. 21, 1868 | E.J. Toof | Improvement in try-squares | try squares |
| 79,175 | Jun. 23, 1868 | W.S. Winterbottom | Combined Square and Mitre | try squares |
