DD

David Deng

📍 Diamond Bar, CA: #11 of 40 inventorsTop 30%
🗺 California: #8,996 of 28,521 inventorsTop 35%
Overall (2003): #243,253 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6517640 Vacuum cleaner apparatus and return system for use with the same 2003-02-11