WC

Waterson Chen

Overall (2003): #19,640 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6574999 Padlock with a U-shaped lock casing — 2003-06-10
6553801 Impact resistant lock apparatus with anti-theft lock core — 2003-04-29
6508086 Flexible shackle lock with a replaceable shackle — 2003-01-21