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| Number | Title | Issue Date |
| 7114909 | Trailer-tilting, load-discharge apparatus and method A trailer unloading system anchors one or more trailers to a deck, with, or without tractor attached. The sides of the trailers are free to pivot from a top, longitudinal, pivot axis once unlatched from the edge of the trailer floor. The deck tilts the trailers side... | 10/03/2006 |
| 6644907 | Cart that retrieves, transports, lifts and empties waste container A manually-operated cart retrieves a waste container from a compactor and transports the waste container across a support surface to a waste collection receptacle. An operator activates a winch and a belt that extends from the winch to a base frame lifts ... | 11/11/2003 |
