Original Assignee PETTIBONE MULLIKEN 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.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US178756A Inventor Oscar W Andersen Current Assignee (The listed assignees may be inaccurate. Google Patents US1731838A - Dredge and the likeÄownload PDF Info Publication number US1731838A US1731838A US178756A US17875627A US1731838A US 1731838 A US1731838 A US 1731838A US 178756 A US178756 A US 178756A US 17875627 A US17875627 A US 17875627A US 1731838 A US1731838 A US 1731838A Authority US United States Prior art keywords nozzle arm chain mouth wheels Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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