defiantion of dredged definition of vices

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Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US744798A Inventor Hefling Frank Original Assignee Hefling Frank Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents US2906040A - Air lift dredgeĭownload PDF Info Publication number US2906040A US2906040A US744798A US74479858A US2906040A US 2906040 A US2906040 A US 2906040A US 744798 A US744798 A US 744798A US 74479858 A US74479858 A US 74479858A US 2906040 A US2906040 A US 2906040A Authority US United States Prior art keywords pipe air water dredge materials Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Defiantion of dredged definition of vices