Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615680 | Method of testing switch design to quantify feel | Jonathan Dahlstrom, Richard Ratke | 2003-09-09 |
| RE35772 | Solenoid system for, for example, a brake/shift interlock for vehicular transmission control | Richard Ratke | 1998-04-21 |
| 5078242 | Solenoid system for, for example, a brake/shift interlock for vehicular transmission control | Richard Ratke | 1992-01-07 |
| 5027931 | Brake/shift interlock for an automatic transmission shift control mechanism | Richard Ratke, Jonathan Dahlstrom | 1991-07-02 |
| 5027929 | Solenoid system for, for example, a brake/shift interlock for vehicular transmission control | Richard Ratke | 1991-07-02 |
| 4887702 | Brake/shift interlock for an automatic transmission shift control mechanism | Richard Ratke | 1989-12-19 |
| 4862130 | Wire cross-over arrangement for angular coil assembly | — | 1989-08-29 |
| 4783903 | Method of forming a blind solder joint in an ignition coil | James F. Fernquist | 1988-11-15 |
| 4638282 | Wire cross-over arrangement for coil assembly | — | 1987-01-20 |