Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8614868 | Graded resistance solid state current control circuit | John P. Barber, John I. Ykema | 2013-12-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8614868 | Graded resistance solid state current control circuit | John P. Barber, John I. Ykema | 2013-12-24 |