| All Patents in class 241/295 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 179,401 | Jul. 04, 1876 | O. Coogan | Improvement in grinders for bark-mills | bark processing machines |
| 201,938 | Apr. 02, 1878 | W.E. Nickerson | Improvement in cutters for reducing bark | bark processing machines |
| 210,095 | Nov. 19, 1878 | W. Chicken | Improvement in bark-reducing machines | bark processing machines |
| 298,851 | May 20, 1884 | J.H. Hayden, J.R. Sleeper | Machine for shredding wood | excelsior machines |
| 346,681 | Aug. 03, 1886 | J.L. Perry | Abrading-cylinder | sanding machines |
| 526,044 | Sep. 18, 1894 | W. Merrill | Wood-cutting machine | wood grinding machines |
| 526,354 | Sep. 18, 1894 | W. Merrill | Wood-cutting machine | wood grinding machines |
| 1,082,960 | Dec. 30, 1913 | C.C. Lane | Slow-speed Chilian mill | ore processing apparatus |
| 1,390,693 | Sep. 13, 1921 | M.G. Fernandez | Sugar Cane Mill | sugar cane apparatus |
| 4,934,611 | Jun. 19, 1990 | H.H. Lewis | Rotary grinding apparatus | wood grinding machines |
