HC

Howard M. Clearfield

IBM: 2 patents #32,839 of 70,183Top 50%
📍 Yorktown Heights, NY: #536 of 858 inventorsTop 65%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,282,428 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5569501 Diamond-like carbon films from a hydrocarbon helium plasma Fredric D. Bailey, Douglas A. Buchanan, Alessandro C. Callegari, Fuad E. Doany, Donis Flagello +8 more 1996-10-29
5470661 Diamond-like carbon films from a hydrocarbon helium plasma Fredric D. Bailey, Douglas A. Buchanan, Alessandro C. Callegari, Fuad E. Doany, Donis Flagello +8 more 1995-11-28