Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020532 | Fuel injection control during start-up | David Karl Bidner, John M. Roth | 2011-09-20 |
| 7980228 | Vehicle fuel vapor management | Steven James Hoffman, John Hedges | 2011-07-19 |
| 7921833 | Fuel injection control during start-up | David Karl Bidner, John M. Roth | 2011-04-12 |
| 7900608 | Fuel vapor purging diagnostics | Richard Shimon, Robert Roy Jentz, Scott A. Bohr, Ross Dykstra Pursifull | 2011-03-08 |