Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7407016 | Grading boot attachment The present invention provides a grading boot attachment which when attached to a roadway grading moldboard allows for more accurate and uniform grade cutting or leveling with the moldboard. The attachment includes amounting plate for mounting to the moldboard, a wi... | 08/05/2008 |
| 7367407 | Towed snowplow and method of plowing A towed snowplow includes a frame which is carried by at least one wheel. The frame includes at least one moldboard and is arranged to be towed behind a vehicle and movable from a transport position directly behind the vehicle to a deployed position in which the fra... | 05/06/2008 |
| 7134227 | Adjustable wing plow A plow assembly includes a pair of plow wings which are pivotally mounted at opposite ends of a center plow. Each of the plow wings may pivot between a forwardly angled position and an aligned position. The plow assembly may pivot a trailing plow wing in response to... | 11/14/2006 |
| 6691795 | Snow or soil grader A grader vehicle has a vehicle body mounted on two drive tracks. A boom is mounted on the front of the vehicle and extends to the front of the body. A third drive track is mounted on the leading end of the boom by a steering mechanism for rotation about a... | 02/17/2004 |
| 6249992 | Retractable snow plow wing assembly A side wing plow assembly is provided for use on a vehicle, e.g. a grader. It includes an elongated blade, an articulated forward connector assembly for connecting the inner end of the blade to the vehicle and a rear connector assembly for connecting the ... | 06/26/2001 |
| 5542478 | Combination sloper and tailgrader attachment for vehicles An attachment for a vehicle generally consisting of a support frame mountable on the vehicle, a swing frame pivotally mounted on the support frame about an axis disposed laterally of a longitudinal centerline of the vehicle when the support frame is mount... | 08/06/1996 |
| 5377766 | Apparatus for cleaning excess roadstone away from a gutter An angled blade unit is attached to a loader bucket and, as the bucket is moved along a roadway, the blade unit plows excess roadstone away from a newly poured concrete gutter in order to prepare a roadbed for paving. A gage rides along the flag of the gu... | 01/03/1995 |
