Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792265 | Engine boring and surfacing machine | Donald B. Rottler | 1988-12-20 |
| 4789279 | System and apparatus for reboring main bearings | Donald B. Rottler | 1988-12-06 |
| 4550530 | Short-stroking honing machine | Donald B. Rottler | 1985-11-05 |
| 4541620 | Sled for fixturing engine blocks | Donald B. Rottler | 1985-09-17 |
| 4189871 | Honing machine | Donald B. Rottler | 1980-02-26 |