DH

David Arthur Headrick

📍 North York, CA: #26 of 81 inventorsTop 35%
Overall (2021): #484,425 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10955208 Automatic spent magazine ejection and control group Leonel Henriques Machado 2021-03-23