| All Patents in class 33/480 |
Patents 1 -
10
of 28
      |
| Picture | Number | Date | Patentee | Title |
 | 17,991 | Aug. 11, 1857 | J. Whitney | Adjustment for Try Squares |
 | 28,859 | Jun. 26, 1860 | J. Hathen | Carpenter's Square |
 | 49,670 | Aug. 29, 1865 | J. Williams | Improvement in Try Squares |
 | 66,946 | Jul. 23, 1867 | A.M. Miller, J. Burt | Improvement in Trial Squares |
 | 114,634 | May 09, 1871 | L. Bailey | Improvement in Adjustable Try Squares |
 | 125,858 | Apr. 16, 1872 | J.A. Traut | Improvement in Try-Squares |
 | 126,527 | May 07, 1872 | J. Morss, H. Disston | Improvement in Try Squares |
 | 138,113 | Apr. 22, 1873 | W.F. Arnold | Improvement in Try Squares |
 | 145,715 | Dec. 23, 1873 | L. Bailey | Try-Square |
 | 151,254 | May 26, 1874 | J.A. Traut | Improvement in Try-Squares |
