Patent US4624357 - Vehicle-mounted extensible conveyor - Google .Nov 25, 1986 . An extensible concrete conveyor belt is mounted on the boom for movement with . A self-propelled conveyor means for concrete and the like which can be ... This permits the entire conveyor device to pivot freely on the turntable .. Oct 1, 1998, Garland Thomas M, Self propelled wetland conveyor device.self propelled wetland conveyor device,Patent US3863783 - Distributing conveyor system for a rotary .Feb 4, 1975 . The conveyor unit is at all times maintained in effective . 1995, Dec 1, 1998, Garland; Thomas Martin, Self propelled wetland conveyor device.
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