Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862357 | Computer reservation system with means to rank travel itineraries chosen in terms of schedule/fare data | Mark L. Ahlstrom, Bruce A. Keller | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862357 | Computer reservation system with means to rank travel itineraries chosen in terms of schedule/fare data | Mark L. Ahlstrom, Bruce A. Keller | 1989-08-29 |