Inventor
JOHNSON ROBERT CALVIN
US4 patents
Patents
4 patentsUS5669397ASep 23, 1997
Tobacco expansion processes and apparatus
REYNOLDS TOBACCO CO R3 citations59
US5653245AAug 5, 1997
Tobacco expansion processes and apparatus
REYNOLDS TOBACCO CO R2 citations59
US5810019ASep 22, 1998
Process and apparatus for tobacco batch preparation and expansion
REYNOLDS TOBACCO CO R2 citations57
US5657771AAug 19, 1997
Process and apparatus for tobacco batch preparation and expansion
REYNOLDS TOBACCO CO R1 citations47