Filter tip for cigarettes
United States Patent 2159121

Inventors:
Stephen, Alley
Publication Date:
05/23/1939
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Assignee:
AMERICAN MACH & FOUNDRY
Primary Class:
131/331
Other Classes:
55/520, 206/389, 493/47, 131/52, 131/361, 131/339
International Classes:
A24D3/02; A24D3/00