Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215629 | Turbine engine including transfer gearbox and accessory gearbox | John Carl Glessner, Efren Souza Chavez, Ethan Patrick O'Connor | 2025-02-04 |
JH
John Robert Holland
Overall (All Time): #2,385,225 of 4,157,543Top 60%
1
Patents All Time