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| Number | Title | Issue Date |
| 5752454 | No-till disk opening system and method A method and apparatus for improved agricultural seeding; especially useful in no-till direct seeding. In the illustrated embodiment an inclined furrow is cut with a rotating disk that is inclined with respect to the vertical and the horizontal; the furro... | 05/19/1998 |
| 5609114 | No-till disk opening system and method A method and apparatus for improved agricultural seeding; especially useful in no-till direct seeding. In the illustrated embodiment an inclined furrow is cut with a rotating disk that is inclined with respect to the vertical and the horizontal; the furro... | 03/11/1997 |
