Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515159 | Digital cardiac pacemaker with rate limit means | Ray S. McDonald, David L. Thompson, Martin A. Rossing | 1985-05-07 |
| 4493325 | Tachyarrhythmia pacer | Paul J. Beckmann | 1985-01-15 |
| 4440173 | Programmable body stimulation system | Lawrence C. Hudziak | 1984-04-03 |
| 4401120 | Digital cardiac pacemaker with program acceptance indicator | Ray S. McDonald | 1983-08-30 |
| 4357943 | Demand cardiac pacemaker having reduced polarity disparity | David L. Thompson, Marc Stein | 1982-11-09 |
| 4337777 | Rate limited pacer | Ray S. McDonald, Lawrence C. Hudziak | 1982-07-06 |
| 4273133 | Programmable digital cardiac pacemaker with means to override effects of reed switch closure | Ray S. McDonald, Martin A. Rossing | 1981-06-16 |
| 4273132 | Digital cardiac pacemaker with threshold margin check | David L. Thompson, Ray S. McDonald | 1981-06-16 |
| 4267843 | Means to inhibit a digital cardiac pacemaker | Ray S. McDonald | 1981-05-19 |
| 4253466 | Temporary and permanent programmable digital cardiac pacemaker | Ray S. McDonald, Lawrence W. Shearon | 1981-03-03 |
| 4250884 | Apparatus for and method of programming the minimum energy threshold for pacing pulses to be applied to a patient's heart | Bobby L. Smith, Richard M. Powell | 1981-02-17 |
| 4233985 | Multi-mode programmable digital cardiac pacemaker | Ray S. McDonald, Lawrence W. Shearon | 1980-11-18 |