Inventor
HAYWARD CHARLES R
US5 patents
Patents
5 patentsUS5345951ASep 13, 1994
Smoking article
PHILIP MORRIS INC398 citations98
US5159940ANov 3, 1992
Smoking article
PHILIP MORRIS INC460 citations98
US4991606AFeb 12, 1991
Smoking article
PHILIP MORRIS INC320 citations98
US4966171AOct 30, 1990
Smoking article
PHILIP MORRIS INC362 citations98
US5076296ADec 31, 1991
Carbon heat source
PHILIP MORRIS INC353 citations94