Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300367 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |
| D300368 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |
| D300369 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |
| D300370 | Window component extrusion | Ludwig Reisinger, Dennis Westphal | 1989-03-21 |