Inventor
SANFORD ROBERT A
US17 patents
⚠️ This page may combine multiple inventors who share the name “SANFORD ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROWN & WILLIAMSON TOBACCO CORP
10 patentsUS4515170AMay 7, 1985
Ventilated mouthpiece for a smoking article
BROWN & WILLIAMSON TOBACCO CORP63 citations95
US4506683AMar 26, 1985
Ventilated mouthpiece for a smoking article
BROWN & WILLIAMSON TOBACCO CORP114 citations95
US4582072AApr 15, 1986
Cigarette filter
BROWN & WILLIAMSON TOBACCO CORP32 citations92
US4681126AJul 21, 1987
Process for manufacturing reconstituted tobacco
BROWN & WILLIAMSON TOBACCO CORP33 citations91
US4406295ASep 27, 1983
Cigarette filter
BROWN & WILLIAMSON TOBACCO CORP27 citations81
US4338956AJul 13, 1982
Cigarette filter
BROWN & WILLIAMSON TOBACCO CORP12 citations74
US4342322AAug 3, 1982
Cigarette filter
BROWN & WILLIAMSON TOBACCO CORP13 citations73
US3948275AApr 6, 1976
Reinforcement of tobacco structure
BROWN & WILLIAMSON TOBACCO CORP4 citations62
US4438776AMar 27, 1984
Cigarette filter
BROWN & WILLIAMSON TOBACCO CORP4 citations60
US4034766AJul 12, 1977
Reinforcement of tobacco structure
BROWN & WILLIAMSON TOBACCO CORP1 citations52