E02F 3/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9828737 Lubricated soil mixing systems and methodsJun 12, 15Nov 28, 17Not available
9828742 Cutter assembly with freewheeling cutting elementsJan 30, 15Nov 28, 17Not available
9739034 Vehicle with non-symmetrical drive membersAug 12, 14Aug 22, 17The Charles Machine Works, Inc.
9085872 Lubricated soil mixing system and methodsJun 01, 12Jul 21, 15Not available
8966790 Device for digging a trenchJan 25, 13Mar 03, 15Sterk Cellar Murum B.V.
7937857 Ground-working machineJan 03, 08May 10, 11Not available
7555854 Earth auger head and excavation methodNov 29, 07Jul 07, 09MLT Soil Co., Ltd.
6948265 Excavation apparatusJan 22, 04Sep 27, 05VERMEER MANUFACTURING COMPANY
6725579 Excavation apparatusAug 27, 02Apr 27, 04VERMEER MANUFACTURING COMPANY
4750280 Trench-digging machineNov 03, 86Jun 14, 88Not available