CC

Chien-Chuan Chao

Overall (All Time): #1,265,059 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6715210 Scraper 2004-04-06
6519801 Paint scraper 2003-02-18
6044560 Knife 2000-04-04
5979057 Retractable knife 1999-11-09