Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274963 | Methods and devices for controlling the vibration of ultrasonic transmission components | Brian Estabrook, Scott Kellogg | 2001-08-14 |
| 5897569 | Ultrasonic generator with supervisory control circuitry | Scott Kellogg | 1999-04-27 |