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Darrell B. Freeman

BI Blue-White Industries: 1 patents #4 of 5Top 80%
📍 Lakewood, CA: #7 of 25 inventorsTop 30%
🗺 California: #22,912 of 57,791 inventorsTop 40%
Overall (2016): #427,945 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9389109 Inline ultrasonic transducer assembly device and methods Robert E. Gledhill, III, John T. Nguyen, Jason Alan Woolard 2016-07-12