Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078659 | Variable speed transaxle | Roland L. von Kaler, Dale I. Havens, Christian Thoma | 1992-01-07 |
| 5042252 | Neutral shifting mechanism for hydrostatic transmission | Dale I. Havens, Norman E. Jolliff | 1991-08-27 |
| 4979583 | Variable speed transaxle | Christian Thoma | 1990-12-25 |
| 4843818 | Rotary hydrostatic machines or transmissions | Christian Thoma | 1989-07-04 |
| 4691512 | Rotary hydrostatic machines or transmissions | Christian Thoma, Arthur A. Blair | 1987-09-08 |
| 4686829 | Rotary hydrostatic radial piston machines | Christian Thoma | 1987-08-18 |
| 4635535 | Hydraulic radial piston machines | Christian Thoma | 1987-01-13 |
| 4526064 | Motion transmitting devices | John C. Carden, Panayotis C. Dimitracopoulos | 1985-07-02 |