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| Number | Title | Issue Date |
| 4360066 | Oscillating device for grain drills An automatically oscillating device is provided for permitting opposing alternate movement by two associated movable members from a common center point.... | 11/23/1982 |
| 3990723 | Hydraulic lift system for garden tractors A mechanism is provided for the positioning of an implement attached to a small garden tractor which includes a power takeoff system from the engine of the tractor connected to a device that controls a power drive mechanism attached to a positioning linka... | 11/09/1976 |
| 3957123 | Tractor vehicle mounted lift assembly provided with latch means A vehicle mounted lift assembly having latch mechanisms for latching pivoted lift arms in an uplift position whereby an implement, particularly a powered rotary mower, connected to the lift arms can be automatically latched in an elevated position while o... | 05/18/1976 |
| 3948326 | Powered link detent device A device for alternately restraining movement of each end of a powered extensible and retractable link having first and second sections. The device is contained within a housing which can be inserted into a toolbar and attached to row marker assemblies to... | 04/06/1976 |
