Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6296076 | Acoustical insulating barrier and method of making the barrier | John J. Hiers | 2001-10-02 |
| D448140 | Novelty double back sided necktie | — | 2001-09-25 |
| 6109389 | Acoustical insulating barrier and method of making the barrier | John J. Hiers | 2000-08-29 |