Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920356 | Tachycardia rate hysteresis for dual-chambered cardiac stimulators | Randolph K. Armstrong | 2005-07-19 |
| 6510343 | Methods and apparatus for tachycardia rate hysteresis for dual-chamber cardiac stimulators | Randolph K. Armstrong | 2003-01-21 |
| 6282447 | Cardiac stimulator with rate-adaptive PVARP | Randolph K. Armstrong, Joseph W. Vandegriff, Denise R. Brown | 2001-08-28 |
| 6233485 | Methods and apparatus for tachycardia rate hysteresis for dual-chamber cardiac stimulators | Randolph K. Armstrong | 2001-05-15 |
| 5873897 | Method and apparatus for dual chambered tachyarrhythmia classification and therapy | Randolph K. Armstrong, D. Curtis Deno, Dat H. Truong | 1999-02-23 |
| 5861009 | Implantable cardiac stimulator with rate-adaptive T-wave detection | Randolph K. Armstrong, Joseph W. Vandegriff | 1999-01-19 |