DH

Dave W. Hangsleben

HT Hank Technology: 1 patents #1 of 1Top 100%
📍 Sioux Falls, SD: #9 of 48 inventorsTop 20%
🗺 South Dakota: #36 of 184 inventorsTop 20%
Overall (2025): #413,114 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12348965 Inmate information communication systems — 2025-07-01