Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943335 | Method of manufacturing a profiled strip with smooth reinforcing insert | Gerd Strutz | 1990-07-24 |
| 4835031 | Profiled strip with smooth reinforcing insert and method of its manufacture | Gerd Strutz | 1989-05-30 |
| 4809463 | Window frame with reinforced sealing strips | Ludger Buller, Ludger Hemmis | 1989-03-07 |