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| Number | Title | Issue Date |
| 5246077 | Three-point hitch guidance control A horizontal guidance control system for a standard three point tractor hitch is disclosed. The system employs the use of a manual control element which actuates a pair of hydraulic cylinders contained in a pair of hydraulic adjusters. The control element... | 09/21/1993 |
| 4494611 | Apparatus for processing soil for planting An improvement is presented in an apparatus for processing soil for planting wherein a separator are provided for initially separating rocks and other large objects from soil prior to crushing thereof, the separator comprising a plurality of respectively ... | 01/22/1985 |
| 4141200 | Automatic header adjustment for harvesters A vine crop, e.g. tomato harvester is disclosed which has a crop processing mechanism that is movable through a field and a rearwardly and upwardly inclined elevator or header that is pivotally connected to a forward end of the processing mechanism. A lea... | 02/27/1979 |
| 4135580 | Plant extractor A travelling machine for pulling off green plants or stalks from subterraneous potatoes and like tuberous crops. The machine has a pair of endless belts of which two contacting runs together move in a direction opposite to the direction of travel of the m... | 01/23/1979 |
| 3942590 | Tomato harvester A tomato harvester with improved maneuverability and versatility. An improved spinner gives better action in wet soil. The driver obtains improved visibility from an improved canopy structure and is given controls that are easier to identify. An improved ... | 03/09/1976 |
