Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978333 | Resonator for surgical handpiece | Alan Broadwin | 1990-12-18 |
| 4490114 | Ultrasonically driven low-speed rotary motor | George E. Warrin | 1984-12-25 |
| 4281987 | Ultrasonically driven low-speed rotary motor | — | 1981-08-04 |
| 4277174 | Method and apparatus for the measurement of hardness testing indentations | — | 1981-07-07 |
| 4275966 | Method and apparatus for the measurement of hardness testing indentations | — | 1981-06-30 |