DH

David Haas

HC Hoechst Celanese: 1 patents #51 of 147Top 35%
📍 New York, NY: #94 of 482 inventorsTop 20%
🗺 New York: #1,258 of 5,342 inventorsTop 25%
Overall (1989): #123,066 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4865406 Frequency doubling polymeric waveguide Garo Khanarian 1989-09-12