Trench roller
United States Patent 2685777

Inventors:
Plas, Ralph J.
Publication Date:
08/10/1954
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Assignee:
BLAW KNOX CO
Primary Class:
404/127
Other Classes:
404/85, 180/41, 180/321, 180/241, 280/43.220, 180/414, 180/20, 404/122, 180/433
International Classes:
E01C19/26; E01C19/22
US Patent References:
2197395Trench roller
2240236Trench roller