YC

Yung-Shou Chen

Overall (2011): #31,269 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D648611 Hammerhead 2011-11-15
D648202 Hammer grip 2011-11-08
D644498 Maul head 2011-09-06