Dredge
United States Patent 1482851

Inventors:
Klingon, Louis E.
Gathright, Eldridge M.
Publication Date:
02/05/1924
Export Citation:
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Assignee:
Klingon, Louis E.
Gathright, Eldridge M.
Primary Class:
299/8
Other Classes:
209/189
International Classes:
E21C45/00
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