HY

Hong Yu

UN Unknown: 1 patents #178 of 2,395Top 8%
📍 Oakville, CA: #5 of 59 inventorsTop 9%
Overall (2005): #53,000 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6928908 Revolving screwdriver with ratchet device — 2005-08-16
6840377 Storage device provided with means to enable user thereof to fetch therefrom easily turning parts of hand tool — 2005-01-11