Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557621 | Casting core and method of casting a gas turbine engine component | Douglas D. Dierksmeier | 2003-05-06 |
JR
Jeffrey A. Ruppel
Allison Advanced Development: 1 patents #20 of 41Top 50%
Overall (All Time): #3,510,163 of 4,157,543Top 85%
1
Patents All Time