A novel electrical smoking system and method of establishing resistance to draw upon a cigarette while smoking a cigarette in an electrical smoking system comprising the step of operatively interposing a frit between a source of ambient air and the cigarette.
申请公布号
US5954979(A)
申请公布日期
1999.09.21
申请号
US19970951225
申请日期
1997.10.16
申请人
PHILIP MORRIS INCORPORATED
发明人
COUNTS, MARY ELLEN;CROWE, WILLIAM J.;FELTER, JOHN L.;FLEISCHHAUER, GRIER S.;HAJALIGOL, MOHAMMAD R.;HAYES, PATRICK H.;HOUCK, WILLIE G.;NUNNALLY, H. NEAL