DB

Duane Bergmann

AC Acd: 1 patents #1 of 4Top 25%
📍 Big Bear Lake, CA: #1 of 1 inventorsTop 100%
🗺 California: #19,344 of 55,090 inventorsTop 40%
Overall (2025): #400,184 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12241552 Turboexpander labyrinth seal John Park, Asit Singhal, Geoff Legg 2025-03-04