Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843782 | Behind-the-ceiling mounting for television receiver | Keith I. Gustaveson | 1989-07-04 |
| 4829725 | Behind-the-ceiling mounting for television receiver | Keith I. Gustaveson | 1989-05-16 |