Process of bonding new concrete formations to old concrete formations
United States Patent 1570794

Inventors:
Stubbs, Robert C.
Publication Date:
01/26/1926
View Patent Images:
Export Citation:
Assignee:
Stubbs, Robert C.
Primary Class:
Other Classes:
425/DIG.107, 404/75
International Classes:
E01C7/14; E01C7/00