Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6301538 | Swap shift multiple-ratio automatic transmission | Johann Kirchhoffer, Robert Clay Haase | 2001-10-09 |
| 6292731 | Automatic shift control system for an automatic transmission including a select-shift manual control | Johann Kirchhoffer, Werner Croonen, Eric Reichert, Thomas A. Wagner, Robert Cary Haase | 2001-09-18 |
| 6122583 | Upshift and downshift control valve system for multiple ratio automatic transmission | Johann Kirchhoffer, Robert Cary Haase | 2000-09-19 |
| 5372226 | System for preventing inadvertent application of torque converter lock-up clutch | Edwin J. Waterbury | 1994-12-13 |
| 4876923 | Torque converter lockup clutch control for an automatic transmission | Timothy A. Droste, Stanley D. Rosen | 1989-10-31 |