"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 6926092 | Hydraulic tiller assembly A tiller assembly includes a tine assembly that is rotatably connected to a tiller body and the tine assembly includes at least one tine for use in tilling associated soil. A hydraulic system is operatively connected to the tine assembly and includes a hydraulic pum... | 08/09/2005 |
| 6923267 | Linear turf aeration apparatus A linear aeration apparatus is operable to form parallel linear aeration trenches into the surface of the ground. Aeration of highly compacted turf areas can be accomplished by first spreading a top dressing material over the surface of the field and then forming li... | 08/02/2005 |
| 5799736 | Dirt distribution method Highway and road maintenance costs and time are greatly reduced by an improved method of removing the typical mound of earth that accumulates along the edges of the roadway by providing an earth moving blade defined by a lengthwise bottom edge, a forward ... | 09/01/1998 |
| 5695013 | Dirt distribution device A dirt distribution device for attachment to the outboard end of an earth moving blade of a grader machine includes a motor driven rotary dirt slinger carried on a platform that is pivotally carried on a support arm that, in turn, pivots on the clamp unit... | 12/09/1997 |
| 5524711 | Agricultural implement for forming planting rows The present invention entails an agricultural implement for forming planting rows with a minimum of tillage. The implement of the present invention is designed to form a multiplicity of rows and accordingly includes a series of side-by-side row units. Eac... | 06/11/1996 |
| 4958449 | Apparatus for covering drilling mud liquids in a surface depression A method and apparatus for covering drilling mud returns in a drilling mud pit. A soil-projecting apparatus which is attachable to the rear of a conventional farm tractor comprises a plurality of scoop-like members connected to a drive shaft member which ... | 09/25/1990 |
| 4113026 | Soil cultivating implements An implement has a row of tined motors that work a broad path of soil. Immediately in front of the rotors is a soil displacing elongated bar that is held to penetrate and raise a shallow layer of soil which is thereafter deposited immediately in front of ... | 09/12/1978 |
| 3998276 | Plow and earth fragmentation machine This invention relates to earth processing equipment and, more particularly, to a scarifier or plow apparatus capable of deep soil penetration which has an attached earth fragmentation assembly. The apparatus comprises a frame mounting on its forward end,... | 12/21/1976 |