BG

Bradley Dean Grothen

📍 Renton, WA: #813 of 1,385 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #2,432,958 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12352170 Tunnel boring machine for excavating semicircular-arched tunnels Jay Michael McNeeley, Stephen M. Smading 2025-07-08