Title:
Flexible closure for containers and the like
United States Patent 2030992

Inventors:
Keller, Joseph F.
Publication Date:
02/18/1936
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Assignee:
Keller, Joseph F.
Primary Class:
206/267
Other Classes:
206/816, 160/231.100, 206/37, 312/297
International Classes:
A24F15/20; A24F15/00