Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801928 | Egress direction indication system | — | 1989-01-31 |
| 4802065 | Emergency lighting fixture | Robert McCue | 1989-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801928 | Egress direction indication system | — | 1989-01-31 |
| 4802065 | Emergency lighting fixture | Robert McCue | 1989-01-31 |