Inventor

FERGUSON ROBERT N

US3 patents

Patents

3 patents

US5450862ASep 19, 1995

Wrapper for a smoking article

PHILIP MORRIS INC69 citations94

US5152304AOct 6, 1992

Wrapper for a smoking article

PHILIP MORRIS INC79 citations94

US5230802AJul 27, 1993

Extraction process using a novel organic acid as a liquid ion exchanger

PHILIP MORRIS INC4 citations60