CC

Chieh-Yuan Chen

AL A&D Company, Limited: 1 patents #1 of 4Top 25%
Overall (2002): #243,836 of 266,432Top 95%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6389920 Mechanism for easy and precise control of gear shifting device of bicycle 2002-05-21