Fire tower
United States Patent 3013640
US Patent References:
/0348908.html
- - 0348908

/0740917.html
- - 0740917

Pole or tower
- - 1521422

Tower or mast construction
- - 2387120

Mast
- - 2431610


Inventors:
Nehrbass, Neil M.
Publication Date:
12/19/1961
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Assignee:
Nehrbass, Neil M.
Primary Class:
52/187
Other Classes:
52/148, 182/48
International Classes:
E04H12/10; E04H12/00
Foreign References:
GB187902940A
IT323538B