KC

Kelfred K. C. Chang

📍 Honolulu, HI: #577 of 1,208 inventorsTop 50%
🗺 Hawaii: #1,125 of 2,560 inventorsTop 45%
Overall (All Time): #3,343,164 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D605725 Paperless fireworks Gifford K. F. Chang, Hubert K. H. Chang 2009-12-08