JH

J. Howard Harrison

📍 Mobridge, SD: #2 of 3 inventorsTop 70%
🗺 South Dakota: #511 of 2,308 inventorsTop 25%
Overall (All Time): #1,553,042 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8195385 Navigation control system John H. Harrison, Jr. 2012-06-05
7801677 Navigation control system John H. Harrison, Jr. 2010-09-21
6925380 Navigation control system John H. Harrison, Jr. 2005-08-02