DN

Donald J. North

📍 Los Angeles, CA: #156 of 620 inventorsTop 30%
🗺 California: #8,996 of 28,521 inventorsTop 35%
Overall (2003): #234,259 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6636612 Speaker for use in confined spaces Dai Zo Lee 2003-10-21