Title:
Road structure and process of making
United States Patent 1390194


Inventors:
Burdge, Jefferson S.
Application Number:
US37140620A
Publication Date:
09/06/1921
Filing Date:
04/05/1920
Assignee:
Burdge, Jefferson S.
Primary Class:
Other Classes:
427/139
International Classes:
E01C7/18
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