12/6/2023 0 Comments Gold king dredge companyGoogle has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US21900404A Inventor Thaddeus Avery Jr Original Assignee Thaddeus Avery Jr Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents US813935A - Submarine dredge.Äownload PDF Info Publication number US813935A US813935A US21900404A US1904219004A US813935A US 813935 A US813935 A US 813935A US 21900404 A US21900404 A US 21900404A US 1904219004 A US1904219004 A US 1904219004A US 813935 A US813935 A US 813935A Authority US United States Prior art keywords vessel water pipe pump dredge Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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