Title:
Method of forming cigarette filter
United States Patent 3128680
US Patent References:
Method and apparatus for making cigarette mouthpieces
- - 2164702
Apparatus for and method of making filters
- - 2793572
Filter tip for tobacco products
- - 2801638
Cigarette filter tip
- - 2900989
Cigarette filters
- - 2992648
Method and apparatus for making cigarette mouthpieces
- - 2164702
Apparatus for and method of making filters
- - 2793572
Filter tip for tobacco products
- - 2801638
Cigarette filter tip
- - 2900989
Cigarette filters
- - 2992648
Inventors:
Schaaf Jr., Edward M.
Publication Date:
04/14/1964
View Patent Images:
Export Citation:
Assignee:
PHILIP MORRIS INC
Primary Class:
Other Classes:
493/47, 55/521, 493/41
International Classes:
A24D3/02; A24D3/00