Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673041 | Reflective mode ultrasonic touch sensitive switch | Kyung-Tae Park, Minoru Toda | 1997-09-30 |
| 5486820 | Traffic sensor having piezoelectric sensors which distinguish lanes | Mitchell L. Thompson, Peter F. Radice, Donald Halvorsen | 1996-01-23 |
| 5153859 | Laminated piezoelectric structure and process of forming the same | Kumar Ogale, Lewis F. Brown, Joseph F. Yaskowski | 1992-10-06 |
| 4954811 | Penetration sensor | Peter Roland Smith | 1990-09-04 |