Roof scaffold
United States Patent 3292734
US Patent References:
/0852141.html
- - 0852141

Shingling scaffold
- - 2814533


Inventors:
Swanberg, Franz F.
Publication Date:
12/20/1966
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Assignee:
Swanberg, Franz F.
Primary Class:
182/45
Other Classes:
182/150
International Classes:
E04G3/26; E04G3/24
Foreign References:
CA540763A