YC

Yu-Hsin Chen

🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #54,722 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5649499 Animal feeding bowl with protective cover movable by animal Mark Krietzman 1997-07-22