Title:
Insulating material
United States Patent 2110470
Inventors:
Norton, Charles L.
Publication Date:
03/08/1938
Export Citation:
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Assignee:
Norton, Charles L.
Primary Class:
252/62
Other Classes:
156/77, 217/128, 220/592.25, 220/902, 220/DIG.9, 423/332, 428/312.6, 428/318.8, 428/403
International Classes:
E04B1/74; F16L59/08; E04B1/74; F16L59/08
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