Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10220972 | Vacuum volume reduction system and method for a vacuum tube vehicle station | Robert Erik Grip, John C. Vassberg | 2019-03-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10220972 | Vacuum volume reduction system and method for a vacuum tube vehicle station | Robert Erik Grip, John C. Vassberg | 2019-03-05 |