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David J. Spykerman

📍 Chandler, AZ: #116 of 590 inventorsTop 20%
🗺 Arizona: #642 of 4,079 inventorsTop 20%
Overall (2022): #165,854 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11506461 Quick change magazine coupler Leif Strom, Jeremy Deadman 2022-11-22
11408697 Firearm magazine extension article Michael Przemyslaw Szczepkowski 2022-08-09