Process of producing variegated pressed fiberboard
United States Patent 2402966

Inventors:
Linzell, Harry K.
Publication Date:
07/02/1946
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Assignee:
UNITED STATES GYPSUM CO
Primary Class:
162/117
Other Classes:
162/134, 162/126, 162/109, 162/181.200
International Classes:
D21J1/00