| Patents for D. N. B. Coffin Jr. |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 18,321 | Oct. 06, 1857 | H. Carsley | Stove-cover stand | stoves |
| 27,081 | Feb. 07, 1860 | E.H. Stearns | Method of rossing saw-logs | debarking machines |
| 65,097 | May 28, 1867 | J.H. Lewis | Improved vise | bench vises |
| 74,750 | Feb. 25, 1868 | S.E. Chubbuck, I.Y. Chubbuck | Improvement in pistons | steam engine pistons |
| 79,548 | Jul. 07, 1868 | S.E. Chubbuck | Improved machine for making tin-lined lead pipe | pipe making machines |
| 89,671 | May 04, 1869 | J.H. Lewis | Improved Vise | bench vises |
| 100,013 | Feb. 22, 1870 | S.E. Chubbuck | Water-heater for green-houses | water heaters |
| 107,874 | Oct. 04, 1870 | I.Y. Chubbuck, S.E. Chubbuck | Improvement in stove-legs | stoves |
