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| Number | Title | Issue Date |
| 5590721 | Conservation tillage tool A conservation tillage tool, including a main frame and a rear frame pivotally mounted on the main frame disposed to support a number of soil working implements in sequence. The main frame is supported by ground wheels attached to the rear section of the ... | 01/07/1997 |
| 5515929 | Dual disc cultivtor cutaway A dual disc cultivator cutaway (10) is disclosed including a frame (30) pivotally mounted to a cultivator tool bar (14) through a bar mount (22). A spindle (38) is pivotally mounted to the opposite end of the frame (30) and slideably mounts first and seco... | 05/14/1996 |
| 4865132 | Tillage implement having independent depth control mechanism A tillage implement is provided which is of the type that has a plurality of working components that perform a multiple number of different soil treatment operations during a single trip across an agricultural field. One of these working components is a d... | 09/12/1989 |
| 4793733 | Scarifier A scarifier suspended beneath the body of an automotive vehicle such that it is vertically movable by means of cylinders. It comprises a suspending frame provided on a main frame vertically movable by means of the cylinders so that it may be freely slidab... | 12/27/1988 |
| 4487268 | Lifting attachments for cultivators Components suitable to be sold in kits can be readily applied to cultivators of different makes to be able to raise and to lower independently the ground-working tools on either side of the cultivators. A typical kit contains an upper supporting member, t... | 12/11/1984 |
| 4450779 | Seed drills A seed drill comprising a frame, a series of coulters mounted on the frame at positions which are spaced apart in a transverse direction relative to the direction of operative forward motion of the drill, and actuating means comprising a beam that extends... | 05/29/1984 |
| 4308921 | Ground track obliterating device A track obliterating device is disclosed that is particularly useful for obliterating the tracks on the ground made by a chemical applicator wagon. The device includes a mounting frame upon which a plurality of ground engageable track obliterating element... | 01/05/1982 |
| 4192388 | Wheel rut closing device for irrigation system A wheel rut closing device for use in combination with an irrigation system having an irrigation line support or supports, each support having rotatably mounted thereon a wheel or wheels. The wheel rut closing device is mounted on each irrigation line sup... | 03/11/1980 |
| 4120365 | Track eliminator apparatus Track eliminator apparatus mountable on a tractor to be between the tractor and the grain box of a grain drill for breaking up the soil compacted by the tractor rear wheels. The track eliminator apparatus includes clamp members that are mounted on the tra... | 10/17/1978 |
| 4029155 | Floating mount for agricultural finish tools A trailing floating mount for agricultural finish tools is connected to the wheeled frame of an implement carriage and includes an elongated, longitudinally oriented finish tool draw bar attached to the carriage by a double-stop bracket which allows the b... | 06/14/1977 |
| 4009759 | Cultivator apparatus A cultivator apparatus attached to a draw bar hitched to a tractor and having a tool bar attached to the draw bar and movable therewith. A cultivating mechanism is attached to the tool bar and is movable between positions of engagement and disengagement w... | 03/01/1977 |
