DY

David A. Yingling

AE American Piledriving Equipment: 2 patents #8 of 14Top 60%
📍 Covington, WA: #29 of 82 inventorsTop 40%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #1,999,391 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9255375 Helmet adapter for pile drivers Joseph G. Wright, Steven N. Cress 2016-02-09
8186452 Clamping systems and methods for piledriving John L. White 2012-05-29