Terrace barrier or curbing
United States Patent 2769277
US Patent References:
/0329926.html
- - 0329926

/0459804.html
- - 0459804

/0862698.html
- - 0862698

/1075255.html
- - 1075255

Double wall structure
- - 2001473


Inventors:
Keelor, William B.
Publication Date:
11/06/1956
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Assignee:
Keelor, William B.
Primary Class:
47/33
Other Classes:
405/284, 52/102, 47/30, 256/25
International Classes:
A01G1/08
US Patent References:
2138037Earth retainer
Foreign References:
GB191114174A
GB188615425A
CH128390A