Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030289 | Durable and highly stable molded construction parts | Heinz Sattler, Edmone Roffael, Karsten Lempfer, Wolfgang Heine | 1991-07-09 |
| 4742665 | Metallic spatial framework structure composed of single elements for erecting buildings | — | 1988-05-10 |