Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881550 | Staged fuel injection system with shuttle valve and fuel injector therefor | — | 1999-03-16 |
| 5735117 | Staged fuel injection system with shuttle valve and fuel injector therefor | — | 1998-04-07 |
| 4640308 | Fluid control valve | — | 1987-02-03 |
| 4355613 | Ignition advance timing system | Melvin A. Rode | 1982-10-26 |
| 4252097 | Viscosity compensated fuel injection system | Thomas W. Hartford | 1981-02-24 |
| 4248196 | Open loop compensation circuit | — | 1981-02-03 |