Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951950 | Gas exchange termination system | — | 2018-04-24 |
| 5815582 | Active plus selective headset | David Claybaugh, Jeffrey N. Denenberg, Ralph Busch | 1998-09-29 |
| 4550574 | Refrigeration system with liquid bypass line | — | 1985-11-05 |