Inventor
CAMPBELL JOHN M
14 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIP MORRIS INC
4 patentsUS5613505AMar 25, 1997
Inductive heating systems for smoking articles
PHILIP MORRIS INC705 citations99
US5154192AOct 13, 1992
Thermal indicators for smoking articles and the method of application of the thermal indicators to the smoking article
PHILIP MORRIS INC357 citations98
US6116247ASep 12, 2000
Cleaning unit for the heater fixture of a smoking device
PHILIP MORRIS INC150 citations94
USD469962SFeb 11, 2003
Brush cleaning unit
PHILIP MORRIS INC13 citations80
CAMPBELL JOHN M
4 patentsUSD322854SDec 31, 1991
Finger tap releasable tourniquet
CAMPBELL JOHN M18 citations81
USD312812SDec 11, 1990
Battery cable connector clamp
CAMPBELL JOHN M9 citations72
US4819956AApr 11, 1989
Convertible sidecar/trailer
CAMPBELL JOHN M16 citations72
USD245635SAug 30, 1977
Combined golf ball and model aircraft engine novelty device
CAMPBELL JOHN M8 citations72