JH

John Hafen

📍 Woodinville, WA: #75 of 332 inventorsTop 25%
🗺 Washington: #2,691 of 14,769 inventorsTop 20%
Overall (2020): #158,453 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10712110 Smart-gun locking and unlocking systems and methods 2020-07-14
10634443 Smart-gun systems and methods 2020-04-28