PS

Philip Conrad Shaffer

SU Sundyne: 1 patents #11 of 36Top 35%
Overall (All Time): #3,441,259 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6854955 Internal lubrication screw pump for hollow shaft Robert Grennan 2005-02-15