Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342535 | Door-opener apparatus | Donald S. Bartlett | 1982-08-03 |
| 4342536 | Door-opener apparatus | Hadi K. A. Akeel, Donald S. Bartlett, Mitchell Choly | 1982-08-03 |
| 4307907 | Positioning device for vehicle closure member | Thomas Barrowman, Donald S. Bartlett | 1981-12-29 |