ES

Edwin J. Spooner

GP Gte Products: 1 patents #520 of 928Top 60%
Overall (All Time): #3,932,437 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4847031 Evaporating boats containing titanium diboride Edward D. Parent, Robert F. Scoledge, Jr. 1989-07-11