McDonald; Ray S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for McDonald; Ray S..The latest application filed is for "method and apparatus for intracardiac electrogram morphologic analysis".
- McDonald; Ray S. - Roseville MN
- McDonald; Ray S. - St. Paul MN
| Patent | Date |
|---|---|
| Method and apparatus for intracardiac electrogram morphologic analysis Grant 5,351,696 - Riff , et al. October 4, 1 | 1994-10-04 |
| Apparatus for medical instrument placement verification Grant 5,171,228 - McDonald * December 15, 1 | 1992-12-15 |
| Needle placement verifier Grant 5,009,644 - McDonald April 23, 1 | 1991-04-23 |
| Needle placement sensor Grant 5,006,115 - McDonald April 9, 1 | 1991-04-09 |
| Digital cardiac pacemaker with rate limit means Grant 4,515,159 - McDonald , et al. May 7, 1 | 1985-05-07 |
| Tachycardia treatment Grant 4,421,114 - Berkovits , et al. December 20, 1 | 1983-12-20 |
| Digital cardiac pacemaker with program acceptance indicator Grant 4,401,120 - Hartlaub , et al. August 30, 1 | 1983-08-30 |
| Body stimulator having selectable stimulation energy levels Grant 4,340,062 - Thompson , et al. July 20, 1 | 1982-07-20 |
| Rate limited pacer Grant 4,337,777 - Hartlaub , et al. July 6, 1 | 1982-07-06 |
| Memory control circuitry for implantable medical devices Grant 4,324,252 - Rossing , et al. April 13, 1 | 1982-04-13 |
| Battery monitor for digital cardiac pacemaker Grant 4,276,883 - McDonald , et al. July 7, 1 | 1981-07-07 |
| Digital cardiac pacemaker clocking means Grant 4,275,738 - McDonald , et al. June 30, 1 | 1981-06-30 |
| Programmable digital cardiac pacemaker with means to override effects of reed switch closure Grant 4,273,133 - Hartlaub , et al. June 16, 1 | 1981-06-16 |
| Digital cardiac pacemaker with threshold margin check Grant 4,273,132 - Hartlaub , et al. June 16, 1 | 1981-06-16 |
| Medical device Grant 4,257,423 - McDonald , et al. March 24, 1 | 1981-03-24 |
| Temporary and permanent programmable digital cardiac pacemaker Grant 4,253,466 - Hartlaub , et al. March 3, 1 | 1981-03-03 |
| Reset means for programmable digital cardiac pacemaker Grant 4,241,736 - Rossing , et al. December 30, 1 | 1980-12-30 |
| Asynchronous/demand made programmable digital cardiac pacemaker Grant 4,236,522 - McDonald , et al. December 2, 1 | 1980-12-02 |
| Multi-mode programmable digital cardiac pacemaker Grant 4,233,985 - Hartlaub , et al. November 18, 1 | 1980-11-18 |
| Energy compensation means for digital cardiac pacemaker Grant 4,230,120 - McDonald October 28, 1 | 1980-10-28 |
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