Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8267668 | Fuel pump motor using carbon commutator having reduced filming | Stephen Kempfer, James Knight, James Thompson | 2012-09-18 |
| 4449100 | Ignition system tester | Robert C. Johnson, David L. Perry | 1984-05-15 |