| 6948372 |
Method of connection to a spark plug pressure sensor |
Albert Anthony Skinner, Raymond O. Butler, Jr., Diane Hageman |
2005-09-27 |
| 6842007 |
Ignition coil durability testing apparatus and method |
Raymond O. Butler, Jr. |
2005-01-11 |
| 6834538 |
Spark plug mounted thick film strain gauge |
Lewis Henry Little, Marion Edmond Ellis, Raymond O. Butler, Jr. |
2004-12-28 |
| 6799451 |
Spark generating apparatus having strain gage cylinder pressure measurement feature |
Robert A. Noel, James T. Wright, III, James A. Boyer, Matthew Bell |
2004-10-05 |
| 6722183 |
System and method for impulse noise suppression for integrator-based ion current signal processor |
Robert W. Koseluk, Raymond O. Butler, Jr., Philip Allen Karau, Jerral Long |
2004-04-20 |
| 6679237 |
Ignition drive circuit |
Albert Anthony Skinner, Raymond O. Butler, Jr. |
2004-01-20 |
| 6679100 |
Spark plug mounted thick film strain gauge |
Lewis Henry Little, Marion Edmond Ellis, Raymond O. Butler, Jr. |
2004-01-20 |
| 6668632 |
Spark apparatus with pressure signal response amplification |
Dean M. Ford, Diane Hageman, Robert A. Noel |
2003-12-30 |
| 6615645 |
System and method for generating a knock determination window for an ion current sensing system |
Raymond O. Butler, Jr., Daniel J. O'Connor, Max W Ellis |
2003-09-09 |
| 5668311 |
Cylinder compression detection |
Jeff Louis Courter, Mark Albert Paul |
1997-09-16 |
| 5638799 |
Double strike ignition control |
Norman H. Bracken |
1997-06-17 |
| 5636620 |
Self diagnosing ignition control |
Norman H. Bracken |
1997-06-10 |
| 5431044 |
Combustion detection circuit for a catalytic converter preheater |
Norman H. Bracken |
1995-07-11 |
| 4508092 |
Magnetic sensor for distributorless ignition system and position sensing |
Gary R. Nichols |
1985-04-02 |
| 4406272 |
Magnetic sensor for distributorless ignition system and position sensing |
Gary R. Nichols |
1983-09-27 |
| 4228780 |
Capacitor discharge ignition system with timing control arrangement |
— |
1980-10-21 |
