David Chen

DP Dayco Products: 1 patents #5 of 17Top 30%

📍 Troy, MI: #92 of 236 inventorsTop 40%

🗺 Michigan: #1,670 of 6,370 inventorsTop 30%

Overall (2003): #243,669 of 273,478Top 90%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6666238	Collar for fuel filler pipe	Allen G. Crowley, Mingchi Michael Tsai	2003-12-23