Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459051 | Module for selection of power source | — | 2002-10-01 |
| 6173203 | Circuit mounting system for automated external defibrillator circuits | Robert K. Johnson | 2001-01-09 |
| 6064909 | Water resistant speaker port for automated external defibrillators | Robert K. Johnson, Nora J. Utke | 2000-05-16 |
| D405754 | Battery housing | Robert K. Johnson, Kenneth F. Olson | 1999-02-16 |
| 5868794 | AED and battery pack with anticipatory battery disengagement detection | Robert K. Johnson | 1999-02-09 |
| D402758 | Automated external defibrillator | Robert K. Johnson, Kenneth F. Olson | 1998-12-15 |
| D394903 | External defibrillator | Robert K. Johnson, Kenneth F. Olson, Michael G. Krol | 1998-06-02 |
| 5530302 | Circuit module with hot-swap control circuitry | John David Hamre, Denton G. Wicklund | 1996-06-25 |