Title:
Method and apparatus for strengthening fibers
United States Patent 2121802

Inventors:
Dale, Kleist
Thomas, John H.
Publication Date:
06/28/1938
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Assignee:
OWENS ILLINOIS GLASS CO
Primary Class:
Other Classes:
65/526, 65/35, 226/97.400, 65/464, 239/428
International Classes:
C03B37/02