DS

David N. Sambrook

📍 Toronto, CA: #5,171 of 9,482 inventorsTop 55%
Overall (All Time): #2,867,178 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10344434 Detectable warnings Kenneth Szekely, John A. Heffner 2019-07-09