DS

Doug Stefanski

SU Surefire: 1 patents #38 of 61Top 65%
Overall (All Time): #2,430,407 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12345491 Diverging central bore for firearm sound suppressor Barry W. Dueck, Michael Standen, Eric Chow, Ryan Steven Glasby 2025-07-01