Felt
United States Patent 2157082

Inventors:
Tom, Milnes
Publication Date:
05/02/1939
View Patent Images:
Download PDF 2157082 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
AYERS LTD
Primary Class:
139/411
Other Classes:
139/413, 139/426R, 139/383A
International Classes:
D21F1/00