| Patents for C. A. Durgin |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 12,956 | May 29, 1855 | G.W. La Baw | Miter machine | miter machines |
| 15,427 | Jul. 29, 1856 | F.R. Langwith | Vise | |
| RE2,899 | Mar. 17, 1868 | W. McDonald | Improved Machine for Mitering Printers' Rules | printer |
| 92,050 | Jun. 29, 1869 | S.D. Tucker, R.M. Hoe | Improvement in printing-presses | |
| RE4,096 | Aug. 09, 1870 | J.H. Tuttle | Improvement in Saws | crosscut saws |
| RE4,429 | Jun. 20, 1871 | R.M. Hoe | Improvement in feeding paper to printing-presses | printing presses |
| 131,829 | Oct. 01, 1872 | H.L. Pratt | Improvement in bit-stocks | brace chucks |
| RE5,209 | Dec. 31, 1872 | D. Lane | Improvement in head-blocks for saw-mills | sawmill headblocks |
| RE5,303 | Mar. 04, 1873 | L.C. Patter | Improvement in circular-saw mills | sawmills |
| 155,364 | Sep. 29, 1874 | L.M. Collins | Improvement in planing-machines | wood planers |
| RE6,212 | Jan. 05, 1875 | C.B. Rose | Improvement in bit-stocks | braces |
