Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433691 | Personal collision warning and protection system | Glenda Esnardo Hilliard, Michael Patrick Hilliard, Christina Ann Hilliard | 2002-08-13 |
| 6416019 | Precision parachute recovery system | Michael Patrick Hilliard | 2002-07-09 |
| 6338457 | Precision parachute recovery system | Michael Patrick Hilliard | 2002-01-15 |