DB

Duane Bergmann

EN Energent: 1 patents #2 of 3Top 70%
📍 Big Bear Lake, CA: #1 of 5 inventorsTop 20%
🗺 California: #8,555 of 28,370 inventorsTop 35%
Overall (2004): #230,945 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6742337 Waste heat recovery system Lance G. Hays 2004-06-01