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David J. Spykerman

📍 Chandler, AZ: #140 of 561 inventorsTop 25%
🗺 Arizona: #703 of 3,707 inventorsTop 20%
Overall (2016): #148,483 of 481,213Top 35%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9383162 Adjustable firearm Jeremy Deadman, Michael Przemyslaw Szczepkowski 2016-07-05
9353551 Wireless door locking system Meghan Martinez, Andrew L. Martinez, Eugene Overline, Ryan Allen, Craig Beiferman 2016-05-31