Title:
Combined valve and air-tight cushion for bottled water dispensers
United States Patent 1881929

Inventors:
Pottenger Jr., Francis M.
Publication Date:
10/11/1932
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Assignee:
Pottenger Jr., Francis M.
Primary Class:
222/185.100
Other Classes:
141/285, 222/481, 137/855
International Classes:
B65D53/02; B65D53/00