Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819296 | Variable torque motor/generator/transmission | Harley C. McDonald | 2017-11-14 |
| 9748886 | Variable torque motor/generator/transmission | Harley C. McDonald, Matthew C. McDonald | 2017-08-29 |