Paper making processes
United States Patent 2668111

Inventors:
Lindquist, John R.
Publication Date:
02/02/1954
View Patent Images:
Assignee:
CERTAIN TEED PROD CORP
Primary Class:
Other Classes:
162/169, 516/161, 209/5, 210/735
International Classes:
C08C1/15; D21H17/07; C08C1/00; D21H17/00