DH

David J. Hanson

SL Spring Power Limited: 2 patents #1 of 2Top 50%
UN Unknown: 2 patents #120 of 3,590Top 4%
📍 Sha Tin, MN: #1 of 1 inventorsTop 100%
Overall (2019): #180,832 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10444876 Human-computer interface device and system — 2019-10-15
10216300 Human-computer interface device and system — 2019-02-26