DH

Dennis J Hellberg

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Triangle, VA: #1 of 1 inventorsTop 100%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #2,405,465 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12276473 Shotgun shell loading and holding device — 2025-04-15