Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D526990 | Speakerphone | Michael R. Slevin, Richard S. Slevin | 2006-08-22 |
| D495676 | Speakerphone | Michael R. Slevin, Richard S. Slevin | 2004-09-07 |
| D414266 | Defibrillator | John J. Pastrick, Steven W. Lindseth, R. Richard Carpenter, Kyle Swen, Raymond Walker | 1999-09-21 |