Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884870 | Lens structure for a vehicle radio or the like | Frank Klein, Sigmund Klueger | 1989-12-05 |
| 4884872 | Lens structure for a combined radio/audio tape cassette player or the like | Frank Klein, Sigmund Klueger | 1989-12-05 |
| 4874110 | Lens structure for a combined radio/audio tape cassette player or the like | Frank Klein, Sigmund Klueger | 1989-10-17 |