Sun B. Cha

📍 Centreville, VA: #2 of 15 inventorsTop 15%

🗺 Virginia: #400 of 1,885 inventorsTop 25%

Overall (2004): #109,015 of 270,089Top 45%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6739221	Power driven wrench	—	2004-05-25