DH

Donald A. Hetherington

📍 Burnaby, CA: #652 of 1,166 inventorsTop 60%
Overall (All Time): #3,431,764 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7124522 Cultivating tool and apparatus incorporating same — 2006-10-24