Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10084404 | Variable torque motor/generator/transmission | Harley C. McDonald, Matthew C. McDonald | 2018-09-25 |
| 10014812 | Variable torque motor/generator/transmission | Harley C. McDonald | 2018-07-03 |