Inventor
RIGGS DENNIS M
10 patents
⚠️ This page may combine multiple inventors who share the name “RIGGS DENNIS M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
REYNOLDS TOBACCO CO R
5 patentsUS5178167AJan 12, 1993
Carbonaceous composition for fuel elements of smoking articles and method of modifying the burning characteristics thereof
REYNOLDS TOBACCO CO R254 citations98
US5396911AMar 14, 1995
Substrate material for smoking articles
REYNOLDS TOBACCO CO R384 citations97
US5211684AMay 18, 1993
Catalyst containing smoking articles for reducing carbon monoxide
REYNOLDS TOBACCO CO R382 citations97
US5551451ASep 3, 1996
Fuel element composition
REYNOLDS TOBACCO CO R355 citations95
US5415186AMay 16, 1995
Substrates material for smoking articles
REYNOLDS TOBACCO CO R133 citations95