Insulated light transmitting panel
United States Patent 3358408

Inventors:
Cooper Jr., Merle D.
Blom, Kenneth M.
Publication Date:
12/19/1967
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Assignee:
BUTLER MANUFACTURING CO
Primary Class:
52/202
Other Classes:
D26/120
International Classes:
E04C2/54; E04D3/28; E04D3/35; E06B3/66; E04D3/24
US Patent References:
3265556Fiber reinforced plastic panel and method of making same
Foreign References:
DK74858A
FR999697A
GB526115A
NL277185C