RH

Raymond Huang

📍 Beijing, CA: #6 of 34 inventorsTop 20%
Overall (1997): #91,251 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5673453 Toothbrush with detachable bristle head capable of changing orientation relative to its handle 1997-10-07