![]() Original Assignee Great Lakes Dredge and Dock Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Richard Michael Lowry Current Assignee (The listed assignees may be inaccurate. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US10/760,096 Other versions US20050172521A1 Google Patents US7143532B2 - Marine backhoe dredgeÄownload PDF Info Publication number US7143532B2 US7143532B2 US10/760,096 US76009604A US7143532B2 US 7143532 B2 US7143532 B2 US 7143532B2 US 76009604 A US76009604 A US 76009604A US 7143532 B2 US7143532 B2 US 7143532B2 Authority US United States Prior art keywords backhoe dredge vessel counterbalance bucket Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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