Inventor
PLEWS GRAHAM
GB3 patents
Patents
3 patentsUS10036574B2Jul 31, 2018
Devices comprising a heat source material and activation chambers for the same
BRITISH AMERICAN TOBACCO INVESTMENTS LTD8 citations79
US10542777B2Jan 28, 2020
Apparatus for heating or cooling a material contained therein
BRITISH AMERICAN TOBACCO INVESTMENTS LTD2 citations67
US10638791B2May 5, 2020
Methods of manufacturing a double-walled tube
BRITISH AMERICAN TOBACCO INVESTMENTS LTD0 citations45