Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914859 | Automatic door safety system | Daniel C. Gionet, Harry Nguyen | 1990-04-10 |
| 4866881 | Automatic door safety system | Richard A. Morrow, Daniel C. Gionet, Harry V. Nquyen | 1989-09-19 |
| 4727822 | Flag staff | — | 1988-03-01 |