Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11662256 | Thermocouple pre-aging and temperature drift compensation | John Joseph Costello, Kenneth L. Graham | 2023-05-30 |
| 11348705 | Coaxial cable system for gas turbine engine | John Joseph Costello | 2022-05-31 |
| 10605175 | Temperature control system for gas combustion engines and method of using the same | John Joseph Costello | 2020-03-31 |
| 10415484 | Engine control system | Kenneth L. Graham, John Joseph Costello | 2019-09-17 |