Inventor

JOHN EDWARD DENNIS

GB4 patents

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

ROTHMANS INTERNATIONAL LTD

1 patent

US5657772AAug 19, 1997

Smoking article and filter therefor

ROTHMANS INTERNATIONAL LTD31 citations86

BRITISH AMERICAN TOBACCO CO

1 patent

US7938125B2May 10, 2011

Smoking articles and smokable filler material therefor

BRITISH AMERICAN TOBACCO CO7 citations79

DITTRICH DAVID JOHN

1 patent

US8758561B2Jun 24, 2014

Cellulosic material

DITTRICH DAVID JOHN5 citations60

BRITISH AMERICAN TOBACCO INVESTMENTS LTD

1 patent

US11246335B2Feb 15, 2022

Material for inclusion in a smoking article

BRITISH AMERICAN TOBACCO INVESTMENTS LTD0 citations52