DC

David T. Cheung

🗺 California: #3,049 of 13,957 inventorsTop 25%
Overall (1994): #146,556 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5374539 Process for purifying collagen and generating bioprosthesis Marcel E. Nimni 1994-12-20