| Patents for T. C. Donn |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 3,184 | Jul. 20, 1843 | E. Pratt | Sawing and planing by combining a plane with a saw | reciprocating saws |
| 3,210 | Aug. 04, 1843 | J. Norcross | Mill-saw guide | reciprocating sawmills |
| 4,029 | May 01, 1845 | J. Semple | Steam Coach Adapted to the Prairies | traction engine wheels |
| 4,053 | May 16, 1845 | W.H. Taylor, A.P. Norton | Parallel bench-vise | leg vises |
| 4,262 | Nov. 08, 1845 | A. Downs | Sash machinery | mortising machines |
| 4,564 | Jun. 13, 1846 | A.B. Spencer | Machine for dressing saws | saw gummers |
| 7,501 | Jul. 16, 1850 | T. Alteneder | Joint for Compasses for Measuring | compasses |
| 8,115 | May 27, 1851 | H. Waterman | Machinery for hardening and straightening saws, &c. | making sawblades |
| 8,666 | Jan. 20, 1852 | G.W. Tolhurst | Planing-machine | wood planers |
| 8,802 | Mar. 16, 1852 | J. Lattimer | Improvement in Shovel Plows | plows |
| 9,072 | Jun. 29, 1852 | G. Hotchkiss | Hanging steps of mill-spindles | |
