DS

Donald A. Silberstein

BT Brown & Williamson Tobacco: 3 patents #35 of 219Top 20%
📍 Louisville, KY: #926 of 3,201 inventorsTop 30%
🗺 Kentucky: #3,369 of 11,577 inventorsTop 30%
Overall (All Time): #1,677,728 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4585015 Cigarette filter — 1986-04-29
4424819 Cigarette filter Andrew McMurtrie 1984-01-10
4393885 Cigarette filter — 1983-07-19