DH

David J. Halliday

📍 Maple Ridge, CA: #4 of 21 inventorsTop 20%
Overall (2016): #427,290 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9499181 Zipline braking system Siegfried F. Stiemer 2016-11-22