Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029601 | Rockable earthquake valve | William E. Reschke, Sergio Ruffo | 1991-07-09 |
| 4459548 | Alternator testing apparatus | Stephen B. Servais | 1984-07-10 |
| 4369660 | Electronic pressure measuring apparatus | Thomas J. Lasky, Stephen B. Servais | 1983-01-25 |