Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834644 | Circular ignition coil assembly | John Hazelwood, Thomas B. Bennett, III | 2004-12-28 |
| 6758200 | Ignition coil driver chip on printed circuit board for plughole coil housing | Diane Hageman, Raymond O. Butler, Jr. | 2004-07-06 |
| 6700470 | Ignition apparatus having increased leakage to charge ion sense system | Raymond O. Butler, Jr., Mark Albert Paul | 2004-03-02 |
| 6679235 | High power ignition system having high impedance to protect the transformer | Raymond O. Butler, Jr., Brian Dewayne Lively | 2004-01-20 |
| 6679236 | Ignition system having a high resistivity core | James A. Boyer, Raymond O. Butler, Jr. | 2004-01-20 |
| 6679237 | Ignition drive circuit | Ronald J. Kiess, Raymond O. Butler, Jr. | 2004-01-20 |