Title:
Heat insulating sheet or panel
United States Patent 2840500

Inventors:
Okoomian, Howard J.
Pierce, Herrington Lovic
Publication Date:
06/24/1958
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Assignee:
PIERCE JOHN B FOUNDATION
Primary Class:
428/184
Other Classes:
5/512, 428/332, 297/DIG.005, 52/783.110, 38/66
International Classes:
E04B1/80
US Patent References:
2576698Metal-sheathed insulating blanket and method of manufacture
2644777Composite structural material
2671492Apparatus for forming sheet metal and sheet metal formed thereby
2746892Multi-layer heat insulating material