Title:
Method and apparatus for strengthening fibers
United States Patent 2121802
Inventors:
Dale, Kleist
Thomas, John H.
Publication Date:
06/28/1938
Assignee:
OWENS ILLINOIS GLASS CO
Other Classes:
65/526, 65/35, 226/97.400, 65/464, 239/428
International Classes:
C03B37/02