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| Number | Title | Issue Date |
| 6938699 | Variable angle powered work implement A walk-behind power unit is configured to detachably mount a variety of work implements to perform a corresponding variety of operations from a single power unit. The power unit includes an implement mounting mechanism that is pivotable about a generally vertical pi... | 09/06/2005 |
| 6920939 | Walk-behind electric cultivating machine A walk-behind electric cultivating machine has a body frame, an electric motor mounted on the body frame and having a motor shaft, and batteries mounted on the machine body frame for supplying electric power to the electric motor. Each of the batteries has a longitu... | 07/26/2005 |
| 6909068 | All-terrain undercarriage A moveable undercarriage for supporting and moving a welder over a ground surface having a base to support the welder, a front and rear axle secured to the base each having two wheels rotatably secured to the axles, and a push bar secured to said base to move the ba... | 06/21/2005 |
| 6412569 | Concrete mixing hoe A hoe for facilitating manual intermixing of materials initially in heterogeneous phases, particularly dry concrete pre-mix and water, includes an elongated straight handle having a rear longitudinal portion adapted to be grasped within a person's hands, ... | 07/02/2002 |
| 6116349 | Vegetation cutter with guide A device for trimming the edge of a lawn device comprises a rotary cutter which, in use, rotates about an axis which is substantially horizontal with respect to the ground. The device further comprises a guide which is mounted to extend, in use, in a subs... | 09/12/2000 |
