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| Number | Title | Issue Date |
| 5020603 | Reversible plow A reversible plow comprising a three point hitch, a pivotally mounted tool bar provided with a plurality of adjustable plow gangs, and gauge wheels wherein said tool bar can be shifted from left of center to right of center, and back, by a hydraulic pisto... | 06/04/1991 |
| 4834190 | Spring tine and detachably secured attachment Conventionally, a cultivator and a packer are required as well as a tine harrow in most grain farming operations. The present device consists of a small sweep of approximately two inches width that can be detachably secured to the tines of a tine harrow a... | 05/30/1989 |
| 4778011 | Sod undercutting knife An undercutting knife for a sod cutting machine consisting of a blade and a blade holder of essentially equal length. The blade is enclosed by the holder except for the projecting forward edge. The blade is light in weight, may have two cutting edges, and... | 10/18/1988 |
| 4762184 | Digging point assembly An improved digging point assembly comprises a holder, a blade member and a digging tip member connected in series. The blade member is constructed such that, when partially worn, it can be used as a tip member on a fresh blade member. The tip can be allo... | 08/09/1988 |
| 4712320 | Four-way reversible ditcher blades The ditching apparatus includes a prime mover (A) and an arm assembly (B) for selectively positioning a ditching head (C). The ditching head includes a rotatably mounted circular supporting member (34) to which a plurality of mounting brackets (44) are mo... | 12/15/1987 |
| 4671363 | Plow moldboard having reversible and interchangeable parts A plow moldboard made of a plurality of sections which are reversible and interchangeable so that each moldboard section can alternatively serve as the leading edge of the moldboard in two different positions. Each section has substantially parallel top a... | 06/09/1987 |
| 4612715 | Ditching apparatus with improved ditching blade The ditching apparatus includes a prime mover (A) and an arm assembly (B) for selectively positioning a ditching head (C). The ditching head includes a rotatably mounted circular supporting member (34) to which a plurality of mounting brackets (44) are mo... | 09/23/1986 |
| 4601119 | Corner tooth for a bucket A corner tooth is useful, for example, on construction equipment buckets to protect the sidewalls from abrasive wear which normally results from continued contact with the ground. In order to protect the sidewall, others use elements secured directly to t... | 07/22/1986 |
| 4407081 | Bucket tooth attachment means A bucket for use in conjunction with earth working and material handling implements having a plurality of tooth members associated therewith. The bucket includes a cutting-edge plate secured to the leading edge of a backwall plate. The cutting-edge plate ... | 10/04/1983 |
| 4119158 | Adjustable tip for plough share A plough having a share with an accompanying tip that is removably secured on the bottom front portion of the share. The tip is so constructed and arranged that it is adjustable on the plough share so that the extent of life of use of the tip can be signi... | 10/10/1978 |
| 4044481 | Reversible blade bit A reversible bit for selective mounting to an earth-moving blade, such as a bulldozer blade, having opposite corner portions. The bit includes transversely extending cutting edge portions and a mounting portion adapted to be selectively mounted to opposit... | 08/30/1977 |
| 4018287 | Sod cutting knife with separate side blades A sod cutting knife having a horizontal undercutting blade, vertical support arms connected to each side of the undercutting blade, and removable side cutting blades mounted at the front of each support arm. The side cutting blades project below the botto... | 04/19/1977 |
