Title:
Construction of roads having alpha foundation course of sand
Document Type and Number:
United States Patent 1705068


Inventors:
Sadtler, Samuel S.
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Sponsored by:
Flash of Genius
Publication Date:
03/12/1929
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Assignee:
AMIESITE FOUNDATION COMPANY
Primary Class:
Other Classes:
404/70
International Classes:
E01C3/06; E01C3/00