Title:
Method of producing insulating mats
United States Patent 2045384

Inventors:
William, Gerb
Publication Date:
06/23/1936
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Assignee:
William, Gerb
Primary Class:
428/166
Other Classes:
156/292, 156/582, 264/285, 156/199
International Classes:
B31F1/07; B31F1/00