Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654168 | Detent spring | Thomas O'Brien, Lee I. Silva | 2010-02-02 |
| 6068572 | Method for reacting thrust loading in an automatic transmission | John C. Collins, Berthold Martin | 2000-05-30 |
| 6042084 | Valve assembly having a valve spring retainer | Valentin Botosan, John A. Frait, Berthold Martin | 2000-03-28 |
| 5289635 | Method of assembly for a north-south automatic transaxle | Berthold Martin, James R. Klotz, Steven A. Mikel | 1994-03-01 |
| 5273136 | Lubrication system for a north-south automatic transaxle | Berthold Martin, Steven A. Mikel | 1993-12-28 |
| 5259271 | North-south automatic transaxle | Berthold Martin, James R. Klotz, Steven A. Mikel | 1993-11-09 |