SD

Shing-Hwa Doong

Overall (2002): #42,237 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6397646 Door lock 2002-06-04
6381999 Power supplying device for a door lock 2002-05-07