Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598589 | Engine control algorithm-cold start A/F modifier | Jay Tolsma | 2003-07-29 |
| 4601196 | Engine combustion chamber pressure sensor | — | 1986-07-22 |
| 4408722 | Fuel injection nozzle with grooved poppet valve | — | 1983-10-11 |
| 4270499 | Diesel engine precombustion chambers | — | 1981-06-02 |