DJ

David W. Johnson

📍 Tigard, OR: #37 of 93 inventorsTop 40%
🗺 Oregon: #1,685 of 4,132 inventorsTop 45%
Overall (2018): #444,990 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10052541 Striking target apparatus for martial arts training Gianni Peragine 2018-08-21