DL

David Grant Lingnau

📍 Calgary, CA: #89 of 392 inventorsTop 25%
Overall (2011): #321,879 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7931184 Apparatus for induction friction solid state welding Colin McDonald 2011-04-26