Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11314942 | Accelerating agent performance in a natural language processing system | Ethan Selfridge, Michael Johnston, Robert Lifgren, James Dreher | 2022-04-26 |
| 10621282 | Accelerating agent performance in a natural language processing system | Ethan Selfridge, Michael Johnston, Robert Lifgren, James Dreher | 2020-04-14 |
| 4801332 | High strength asphalt cement paving composition | Philip T. Selfridge, Patrick Clancey | 1989-01-31 |
| 4244747 | Modified asphalt paving compositions | Philip T. Selfridge | 1981-01-13 |
| 4234346 | High strength modified asphalt paving composition | Laurence Latta, Jr. | 1980-11-18 |