| All Patents in class 241/28 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 92,027 | Jun. 29, 1869 | A. Fickett | Improved process of preparing wood for paper-stock | specialty woodworking machines |
| 126,041 | Apr. 23, 1872 | J.S. Elliott, J.F. Wood | Method of making stone for grinding wood-pulp | |
| RE8,198 | Apr. 23, 1878 | F.A. Cushman | Improvement in wood-grinders for paper pulp | wood grinding machines |
| 227,316 | May 04, 1880 | H.D. Stover | Machine for cutting and conveying wood shavings | waste collection mechanisms |
| 233,070 | Oct. 12, 1880 | J. Chase | Manufacture of wood pulp for paper | wood grinding machines |
| 1,313,709 | Aug. 19, 1919 | G.D. Moore, E.A. McKoy | Method of grinding stumps | specialty woodworking machines |
| RE23,776 | Jan. 26, 1954 | R.D. Pauley, L.A. McCanna | Method of barking logs | debarking machines |
| 3,123,311 | Mar. 03, 1964 | P.J. Fontaine | Wood chipper | sanding machines |
| RE26,323 | Dec. 19, 1967 | P.J. Fontaine | Wood chipper | wood grinding machines |
| 3,690,568 | Sep. 12, 1972 | D.K. Alexander | Wood grinding | paper making machines |
