Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639781 | Electromagnetic dent remover power supply | David B. Smith, Robert F. Olsen | 2003-10-28 |
| 4962668 | Material stress monitor | Christoper J. Preston, John Codrington, Dimitri Frantzos, Pierre Hamel | 1990-10-16 |