| All Patents in class 408/85 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 4,085 | Jun. 20, 1845 | J.B. Coffin | Boring-machine |
 | 4,251 | Nov. 01, 1845 | A. Weikart | Boring-machine |
 | 7,031 | Jan. 15, 1850 | A. Weikart | Boring-machine |
 | 17,509 | Jun. 09, 1857 | E.N. Kilpatrick | Wheelwright's machine |
 | 46,854 | Mar. 14, 1865 | E.C. Gillette | Improvement in Augers |
| | 88,030 | Mar. 23, 1869 | F. Geyler, B. Geyler | Bung Cutter |
 | 90,834 | Jun. 01, 1869 | M.R. Fory | Improvement in apparatus for felling of trees |
 | 145,894 | Dec. 23, 1873 | W.S. Owen | Hub-Boring Machines |
 | 155,440 | Sep. 29, 1874 | J. Harris | Improvement in cone-sawing machines |
 | 202,477 | Apr. 16, 1878 | T.O. Selfridge | Improvement in wood-boring machines |
