Wall construction
United States Patent 2903878
US Patent References:
/0786884.html
- - 0786884

Building-wall construction
- - 1392402

Brick
- - 1487247

Building slab
- - 2014778

Precast concrete unit system for wall construction
- - 2078144


Inventors:
Humphrey, Stanley A.
Humphrey, Irving H.
Publication Date:
09/15/1959
View Patent Images:
Download PDF 2903878 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Humphrey, Stanley A.
Humphrey, Irving H.
Primary Class:
52/289
Other Classes:
52/503, 52/592.100, 52/698, 52/300
International Classes:
E04B2/44; E04B2/42
US Patent References:
2157271Concrete wall structure
2373409Building construction
Foreign References:
DE115693C
GB703926A