Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D573929 | Tire step assembly | — | 2008-07-29 |
| 6871498 | Compressor surge protector for electric assisted turbocharger | John Allen, Rhett Hedrick, Gerhard Delf, Kevin Birch | 2005-03-29 |
| 6871499 | Oil pressure detector for electric assisted turbocharger | John Allen, Gerhard Delf, Rhett Hedrick, Kevin Birch | 2005-03-29 |
| 6705084 | Control system for electric assisted turbocharger | John Allen, Rhett Hedrick, Len Wedman, Gerhard Delf, Kevin Birch | 2004-03-16 |
| 6609375 | Air cooling system for electric assisted turbocharger | John Allen, Gerhard Delf, Kevin Birch, Rhett Hedrick, Len Wedman | 2003-08-26 |