DW

Demao Wang

CC Calgon Carbon: 1 patents #48 of 102Top 50%
PJ Photoscience Japan: 1 patents #5 of 12Top 45%
📍 Toronto, CA: #3,468 of 9,482 inventorsTop 40%
Overall (All Time): #2,152,979 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7159264 Scraper for cleaning tubular members Bill Sotirakos 2007-01-09
6432213 Tube scraper Bill Sotirakos 2002-08-13