Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658685 | Airport bridge and lift | William Ratliff, Fredrick Keish, William Dorrough | 2003-12-09 |
| 4473078 | Cardiac arrhythmia analysis system | — | 1984-09-25 |
| 4432375 | Cardiac arrhythmia analysis system | Alfred L. Aronson | 1984-02-21 |