Device for dispensing material from a collapsible tube
United States Patent 3219238
Inventors:
Borkenhagen, Alfred E.
Grube, Dean A.
Publication Date:
11/23/1965
Assignee:
Borkenhagen, Alfred E.
Grube, Dean A.
Other Classes:
222/102, D06/541, 222/103
International Classes:
B65D35/34; B65D35/24