Article and process and apparatus for producing the same
United States Patent 2240274

Inventors:
Worth, Wade
Publication Date:
04/29/1941
View Patent Images:
Download PDF 2240274 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
SYLVANIA IND CORP
Primary Class:
428/177
Other Classes:
427/172, 156/207, 427/146, 428/121, 264/DIG.073, 264/286, 156/229, 156/200, 428/190
International Classes:
D06J1/04; D06J1/00