Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827763 | Pressure mapping system with capacitive measuring pad | Joe D. Bourland, Leslie A. Geddes, Willis A. Tacker, Jr., George P. Graber | 1989-05-09 |
| 4827935 | Demand electroventilator | Leslie A. Geddes, William D. Vorhees, III, Joe D. Bourland | 1989-05-09 |