DM

D. Hart Melvin

📍 Toronto, CA: #5,171 of 9,482 inventorsTop 55%
Overall (All Time): #3,283,415 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7687094 Frozen dessert product David D. Ladd, J. David Irvine 2010-03-30