Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167849 | Modular cargo handling system | Max U. Kismarton, Robert Erik Grip | 2021-11-09 |
| 11091175 | Vacuum transport tube vehicle, system, and method for evacuating a vacuum transport tube | Robert Erik Grip, Mark A. DeHaan, John C. Vassberg | 2021-08-17 |