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| Number | Title | Issue Date |
| 7282182 | Sample carrier A sample carrier comprising a top wall, a base, and a support wall joining the top wall and the base. The top wall includes aligned, spaced-apart openings on at least one side of the support wall which are sized to receive sample tubes. Sleeves depending from the to... | 10/16/2007 |
| 6276077 | Tiltable bucket, wheel tractor scraper A wheel tractor scraper is provided with a tractor and a bucket having a bottom, a left side, a right side, a back end and a front end defining a bowl for collecting dirt and having an open front portion and a scraper blade attached along the front portio... | 08/21/2001 |
| 4837940 | Grader blade height control A height control device for attachment to the end of a grader blade of a motor grader. A gage portion of the device is adjustable for the desired depth of a cut the blade will make with reference to a curb upon which the gage rides.... | 06/13/1989 |
| 4552238 | Tractor scraper hitch steering and suspension system A tractor scraper hitch steering and suspension system wherein a tractor drive wheel axle frame is pivotally connected to a tractor main frame to permit vertical movement of the tractor drive wheels relative to the tractor. Two hydraulic cylinders are piv... | 11/12/1985 |
| 4215495 | Road grade attachment My invention consists of an attachment adapted to be connected to a road grader blade. It has a mounting means in the form of a frame for attachment to the blade, a support carried by said mounting means which in turn carries a curb shoe, the support bein... | 08/05/1980 |
| 4125950 | Snow plow attachment A device adapted to be attached to a vehicle for plowing snow on gravel covered roads while minimizing loss of gravel caused by plowing which employs a horizontally elongated blade having a concave plowing front surface and a convex rear surface. A horizo... | 11/21/1978 |
