Title:
Suction cleaning device for collapsible tubes
United States Patent 2637872


Inventors:
Wentworth, Holbrook Ralph
Application Number:
US4060448A
Publication Date:
05/12/1953
Filing Date:
07/24/1948
Assignee:
COLGATE PALMOLIVE PEET CO
Primary Class:
Other Classes:
15/309.2, 141/92
International Classes:
B65B55/24
View Patent Images:
Foreign References:
NL24548C