DD

David S. Dufty

📍 Vancouver, CA: #234 of 750 inventorsTop 35%
Overall (2019): #498,501 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10248299 Ensuring tunnel designs stay within specified design parameters and tolerances Jeffrey Y. Brace, Aaron M. Isabel 2019-04-02