Adjustable metal form
United States Patent 3004321
US Patent References:
/0461342.html
- - 0461342

/0821869.html
- - 0821869

Adjustable form
- - 1507046

Roofing
- - 2488887

Building structure
- - 2678116


Inventors:
Pulliam, Robert A.
Publication Date:
10/17/1961
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Assignee:
Pulliam, Robert A.
Primary Class:
249/24
Other Classes:
52/518, 52/344, 52/67, 249/189, 52/DIG.003, 52/632
International Classes:
E04G11/42; E04G11/00