Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967074 | Keel for sail ships | Werner Frantl | 1999-10-19 |
| 5522192 | Hangar | Werner Frantl | 1996-06-04 |
| 4993235 | Window, facade and wall system | — | 1991-02-19 |
| 4953329 | Single-layer, polygonally-curved supporting frame structure | — | 1990-09-04 |
| 4902159 | Joint connection for frame structures | Peter Hofstatter, Willibald Zemler, Albert P. Raunicher, Werner Frantl | 1990-02-20 |
| 4836967 | Process for producing a joint for a framed structure | Peter Hofstatter | 1989-06-06 |
| 4822198 | Joint connection for frame structures | Peter Hofstatter, Willibald Zemler, Albert P. Raunicher, Werner Frantl | 1989-04-18 |
| 4771582 | Supporting framework for a suspended-roof | — | 1988-09-20 |