HD

Howard Du

📍 New York, NY: #7,895 of 20,192 inventorsTop 40%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,201,688 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6556272 Multimedia and scent storage medium and playback apparatus Karl F. Alverson, Dah-Shiarim Chiao 2003-04-29
D466098 Disc player Karl F. Alverson 2002-11-26