| Patents for Koehring-Waterous Ltd. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 3,081,821 | Mar. 19, 1963 | A.R. Hamilton | Cylinder mold | paper making machines |
| 3,516,462 | Jun. 23, 1970 | E.O. Martinson, P.A. Huffaker | Apparatus for harvesting trees | tree felling machines |
| 3,557,849 | Jan. 26, 1971 | E.O. Martinson | Tree harvester | tree felling machines |
| 3,606,177 | Sep. 20, 1971 | D.K. Alexander, J.J. Denovan | Wood pulp grinder | wood grinding machines |
| 3,690,568 | Sep. 12, 1972 | D.K. Alexander | Wood grinding | paper making machines |
| 3,709,267 | Jan. 09, 1973 | J. Kurelek | Log handling mechanism for tree harvesters | tree felling machines |
