CS

Ching Wah Shum

BA British Columbia Hydro And Power Authority: 1 patents #4 of 33Top 15%
📍 Vancouver, CA: #2,956 of 5,070 inventorsTop 60%
Overall (All Time): #3,393,459 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7256978 Gapped ground safety device Terence Donald Deines, Christopher Paul Morton, Jack H. Sawada 2007-08-14