| All Patents in class 144/208.1 |
Patents 16 -
30
of 39
      |
| Number | Date | Patentee | Title | Type |
| 102,288 | Apr. 26, 1870 | J.H. Lufberym | Improvement in rossing-machine | debarking machines |
| 108,668 | Oct. 25, 1870 | M. Winger | Improvement in bark-shaving machines | bark processing machines |
| 109,199 | Nov. 15, 1870 | C. Gilpin | Improvement in feed-rolls for rossing-machines | debarking machines |
| 113,666 | Apr. 11, 1871 | G.M. Hinkley | Improvement in machines for sapping timber for shingles | shingle machines |
| 128,060 | Jun. 18, 1872 | G.W. Nichols | Improvement in machines for rossing logs | debarking machines |
| 128,612 | Jul. 02, 1872 | J.T. Hill, C. Gilpin | Improvement in machines for rossing bark | debarking machines |
| 141,448 | Aug. 05, 1873 | J. Martin, G.W. Wilson | Improvement in machines for rossing bark | wood grinding machines |
| 144,354 | Nov. 04, 1873 | M.S. Otis, M.E. Otis | Improvement in wood-grinders for paper-pulp | wood grinding machines |
| 153,492 | Jul. 28, 1874 | J. Moulton | Improvement in machines for grinding and rossing bark | bark processing machines |
| 154,912 | Sep. 08, 1874 | A. Rodgers | Improvement in machines for moving and barking logs | sawmill accessories |
| 176,709 | Apr. 25, 1876 | S.R. Thompson | Improvement in machines for rossing and grinding bark | bark processing machines |
| RE7,264 | Aug. 15, 1876 | S.R. Thompson | Improvement in machines for rossing and grinding bark | bark processing machines |
| 189,864 | Apr. 24, 1877 | W.H. Knight | Butting and dressing timber | woodworking machines |
| 198,845 | Jan. 01, 1878 | W.H. Haskins | Improvement in machines for reducing wood to pulp for paper | wood grinding machines |
| 200,361 | Feb. 12, 1878 | S.R. Thompson | Improvement in bark-cutting machines | bark processing machines |
