Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11293413 | Gravity field energy storage and recovery system | Michael T. MacKay | 2022-04-05 |
| 11085423 | Gravity field energy storage and recovery system | Michael T. MacKay | 2021-08-10 |
| 10677227 | Gravity field energy storage and recovery system | Michael T. MacKay | 2020-06-09 |
| 10138875 | Gravity field energy storage and recovery system | Michael T. MacKay | 2018-11-27 |