DD

David F. Dingus

PG Poco Graphite: 2 patents #4 of 13Top 35%
Overall (All Time): #2,193,796 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6776936 Process for making porous graphite and articles produced therefrom Leland A. Hardcastle, Rex Gerald Sheppard 2004-08-17
6576168 Process for making carbon foam induced by process depressurization Leland A. Hardcastle, Rex Gerald Sheppard 2003-06-10