Hydraulic dredge
United States Patent 1772547

Inventors:
Keese, Matthew F.
Taylor, Allan R.
Publication Date:
08/12/1930
View Patent Images:
Download PDF 1772547 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
BUCYRUS ERIE CO
Primary Class:
37/336
Other Classes:
285/146.100, 285/264, 138/120
International Classes:
E02F3/90; E02F3/88