Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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| Number | Title | Issue Date |
| 7163068 | Hitch assembly A hitch assembly for use between a prime mover having a pair of moveable arms and a trailed vehicle. The hitch assembly includes a transverse member attached by a pivot attachment to each movable arm at spaced locations on the transverse member. Each of the movable ... | 01/16/2007 |
| 6962209 | Simple, durable and easy-to-use earthworking machine A sod cutter (10) is disclosed including a frame (12) formed by welding the free edges of mount, frame and end plates (46a, 46b 46c) bent relative to one of two side plates (46) to the corresponding edge... | 11/08/2005 |
| 5129282 | Mechanism for selectively repositioning a farm implement A mechanism for adjusting the height of a farm implement/tool of the type to be carried by a drawing vehicle includes a connector for supporting a farm implement/tool in an operative position. A guide directs sliding movement of the connector selectively ... | 07/14/1992 |
| 4862969 | Method and apparatus for cultivating plantable soils more particularly forest soils A method for cultivating plantable soils, more particularly forest soils, by breaking-up and working-in plants and parts of plants lying upon the soil, for example leaves, needles, twigs and branches. To this end, a plurality of elements, flexible in all ... | 09/05/1989 |
| 4662646 | Trailing mower and drawbar articulation An articulate tow bar for use with a ride-on for pulling an independent mower unit. The tow bar has first and second members pivotally attached at adjacent ends by a lockable coupling that permits the members to be positioned alternately in a transport po... | 05/05/1987 |
| 4570721 | Device for weeding vine or similar crops A device for weeding such vine crops as melons, cucumbers or the like comprising a tool bar adapted to be carried by a tractor. The tool bar in turn carries multiple rotary agitators adapted to stir the earth and uproot plants with which they come into co... | 02/18/1986 |
| 4544038 | Rotary tiller apparatus and pivotal support structure therefor A rotary tiller apparatus includes a main support frame having a first member that is pivotal in a generally vertical direction and a second member that is pivotally attached to the first member and pivots in a generally horizontal direction. The rotary t... | 10/01/1985 |
| 4531589 | Retractable tiller for installation at side of tractor A tiller for installation at one side of a tractor, having a retractable tiller frame movable by a power mechanism which is normally actuated by a horizontal sensor arm through a linkage system. Here, there is manual override enabling the tractor driver t... | 07/30/1985 |
| 4516639 | Powered landscape rake A powered landscape rake for fine grading of and for stone and debris removal from a landscape surface is shown according to the teachings of the present invention. The rake of the present invention includes a drum rotatably mounted in a drum frame. The d... | 05/14/1985 |
| 4315700 | Implement for applying sealant to asphalt pavement or the like An implement for use with a prime mover, such as a tractor, for applying a uniform coating of a liquid sealant to pavement comprising a plurality of spray tubes for spraying a coating of the liquid sealant onto the pavement and a rotary brush for brushing... | 02/16/1982 |