Title:
Apparatus for and method of making filters
United States Patent 2793572

Inventors:
Parmele, Harris B.
Publication Date:
05/28/1957
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Assignee:
H & V SPECIALTIES CO INC
LORILLARD CO P
Primary Class:
493/47
Other Classes:
55/500, 55/486, 493/50, 131/339
International Classes:
B01D39/14
US Patent References:
2159121Filter tip for cigarettes
2164702Method and apparatus for making cigarette mouthpieces
2221443Mouthpiece cigarette manufacture
2587234Filter unit for air cleaners
Foreign References:
NL30668C
GB437599A