Self-righting traffic post
United States Patent 1435363

Inventors:
Wood, George A.
Publication Date:
11/14/1922
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Assignee:
Wood, George A.
Primary Class:
40/608
Other Classes:
116/63R, 52/113, 248/160
International Classes:
E01F9/016; E01F9/017; E01F9/011