![]() 239000000463 material Substances 0.000 claims abstract description 20.238000009434 installation Methods 0.000 claims abstract description 28.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US1675170A external-priority Application filed by Ocean Science and Engineering Inc filed Critical Ocean Science and Engineering Inc Application granted granted Critical Publication of US3683521A publication Critical patent/US3683521A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Ocean Science and Engineering Inc 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 US16751A Inventor Albert H Sloan Jack I Mclelland Theodore F Mangels Robert J Jantzen Current Assignee (The listed assignees may be inaccurate. Google Patents US3683521A - Submersible dredgeÄownload PDF Info Publication number US3683521A US3683521A US16751A US3683521DA US3683521A US 3683521 A US3683521 A US 3683521A US 16751 A US16751 A US 16751A US 3683521D A US3683521D A US 3683521DA US 3683521 A US3683521 A US 3683521A Authority US United States Prior art keywords vehicle hull boom conduit equipment Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]()
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