P

Inventor

IRVING CHRISTOPHER L

4 patents
⚠️ This page may combine multiple inventors who share the name “IRVING CHRISTOPHER L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILIP MORRIS INC

3 patents
US4326542AApr 27, 1982

Firmness control in a cigarette maker

PHILIP MORRIS INC22 citations78
US4227400AOct 14, 1980

Measuring cigarette characteristics during pyrolysis smoking

PHILIP MORRIS INC22 citations76
US4535789AAug 20, 1985

Tobacco rod firmness sensor

PHILIP MORRIS INC9 citations71

PHILIP MORRIS USA INC

1 patent
US7040314B2May 9, 2006

Aerosol generating devices and methods for generating aerosols suitable for forming propellant-free aerosols

PHILIP MORRIS USA INC484 citations97