Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883102 | Drain line apparatus | John R. Brestel | 1989-11-28 |
| 4832476 | Blind spot viewing mirror system | — | 1989-05-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883102 | Drain line apparatus | John R. Brestel | 1989-11-28 |
| 4832476 | Blind spot viewing mirror system | — | 1989-05-23 |