U.S. federal trademark · Serial No. 85600774 · Reg. No. 4274671
Dredges utilizing a pump and an auger for excavating and removing sedimentation as a slurry from the bottom of waterways, ponds, and settling lagoons, and structural component parts thereof; and submersible crawler dredges utilizing a pump and an auger for removing sludge and buildup in sewers, tanks, covered lagoons and other closed bodies of water
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