SW

Sheung Chung Wong

Overall (All Time): #738,587 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9049894 Magnetic fasteners 2015-06-09
7178207 Magnetic fastener Shang Rong Huang, Tung Wong 2007-02-20
6622349 Magnetic strap fastener 2003-09-23
6606767 Magnetic strap fastener 2003-08-19
6378174 Waterproof, washable plastic magnetic button and a method for manufacturing the same 2002-04-30
6226842 Waterproof, washable plastic magnetic button and a method for manufacturing it 2001-05-08
D401889 Magnetic snap 1998-12-01