DH

David R. Hughson

📍 Toronto, CA: #5,171 of 9,482 inventorsTop 55%
Overall (All Time): #3,901,084 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4918993 Method of gauging pre-existing in-situ stress from an extracted sample — 1990-04-24