GC

Gin-Sung Chang

Overall (2004): #64,193 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6776503 Three-in-one handheld lighting device 2004-08-17
6739063 Combination compass 2004-05-25