| Patents for James Ohlen & Sons |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 92,846 | Jul. 20, 1869 | H.A. Lanman | Improvement in saws | sawblades |
| 218,280 | Aug. 05, 1879 | A. Krieger | Improvement in clamping-pieces for insertable saw-teeth | insertable saw teeth |
| 221,602 | Nov. 11, 1879 | J. Ohlen | Improvement in insertable saw-teeth | insertable saw teeth |
| 222,304 | Dec. 02, 1879 | R.H. Osgood | Improvement in inserted saw-teeth | insertable saw teeth |
| 248,761 | Oct. 25, 1881 | A. Krieger | Insertable saw-tooth | insertable saw teeth |
| 262,821 | Aug. 15, 1882 | J. Ohlen | Saw-handle | crosscut saw handles |
| 315,419 | Apr. 07, 1885 | A. Krieger | Protector for insertable saw-teeth | insertable saw teeth |
| 334,241 | Jan. 12, 1886 | A. Krieger | Insertable saw-tooth | insertable saw teeth |
| 340,051 | Apr. 13, 1886 | A. Krieger | Saw-tooth | saw teeth |
