Bill Sotirakos

CC Calgon Carbon: 1 patents #48 of 102Top 50%

PJ Photoscience Japan: 1 patents #5 of 12Top 45%

📍 Thornhill, CA: #205 of 534 inventorsTop 40%

Overall (All Time): #2,152,978 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7159264	Scraper for cleaning tubular members	Demao Wang	2007-01-09
6432213	Tube scraper	Demao Wang	2002-08-13