| All Patents in class 408/82 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 124,230 | Mar. 05, 1872 | C.H. Thompson | Improvement in machines for cutting square mortises | mortising machines |
| 266,306 | Oct. 24, 1882 | D. O'Neil | Metal Boring Device | boring heads |
| 413,316 | Oct. 22, 1889 | W.J. Dobson | Counterbore Auger Attachment | drill accessories |
| 419,558 | Jan. 14, 1890 | M.O. Reeves | Method of making wooden split bushings | specialty woodworking machines |
| 1,872,493 | Aug. 16, 1932 | W.H. Odlum, E.H. Peterson | Brake lining tool | brake maintenance |
| 1,989,476 | Jan. 29, 1935 | W.H. Evans | Expansion reamer | reamers |
| 2,182,478 | Dec. 05, 1939 | R.G. Jacobson | Boring Head | boring heads |
| 2,932,196 | Apr. 12, 1960 | J.J. Sledz | Internal Recessing Tool and Holder Therefor | drilling and boring tool holders |
