Building unit and construction - AMERICAN CYANAMID & CHEMICAL C

Title:

Building unit and construction

United States Patent 2142305

Inventors:

Davis, Clarke F.

Publication Date:

01/03/1939

Export Citation:

Assignee:

AMERICAN CYANAMID & CHEMICAL C

Primary Class:

52/592.1

Other Classes:

52/601, 446/108, 446/127

International Classes:

E04B1/61; E04B9/28; E04C2/04; E04C2/38; E04B1/61; E04B9/22; E04C2/04; E04C2/38

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