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| Number | Title | Issue Date |
| 5782309 | Apparatus and method for tilling soil An apparatus for tilling soil having a support assembly, a shaft assembly secured to the support assembly, and a paddle assembly secured to the shaft assembly. The paddle assembly has three interconnected blades such as to form a triangular opening wheret... | 07/21/1998 |
| 4303129 | Furrow damming implement A damming implement for depositing a series of earthen dams across a furrow to provide a line of catch or ponding basins which inhibit run-off of water includes a wheel structure having radially opposed blades oriented transversely to a line of draft for ... | 12/01/1981 |
| 3998275 | Earthworking implement and row guide apparatus An earthworking implement mounted on a three-point hitch of a draft vehicle with a hitch assembly. The hitch assembly has L-shaped members mounted in clamps secured to a main transverse beam. A plurality of parallel linkages movably connect a transverse t... | 12/21/1976 |
