Title:
Stabilizer for polymer composition pipe
United States Patent 3419288


Inventors:
Logsdon, Duane D.
Application Number:
US62626367A
Publication Date:
12/31/1968
Filing Date:
03/27/1967
Assignee:
DUANE D. LOGSDON
Primary Class:
Other Classes:
4/252.1, 285/137.11, 285/193, 285/238, 285/414
International Classes:
E03D11/16
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