DH

David W. Hanna

IBM: 1 patents #44,794 of 70,183Top 65%
📍 Charlotte, NC: #2,728 of 4,868 inventorsTop 60%
🗺 North Carolina: #26,533 of 45,564 inventorsTop 60%
Overall (All Time): #3,990,235 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4569605 Wire driving armature for dot printer Johann Meier 1986-02-11