DB

Douglas Bryan Ballantyne

GE: 2 patents #13,562 of 36,430Top 40%
Overall (All Time): #2,201,828 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6558121 Method and apparatus for turbine blade contoured platform Gaoqiu Zhu, Mark Douglas Gledhill 2003-05-06
4595340 Gas turbine bladed disk assembly David D. Klassen 1986-06-17