Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5007278 | Die device | — | 1991-04-16 |
| 4717179 | Pipe union for end to end pipes with deformable clamping disks surrounding a seal | Heinrich Trissler, Nikolay Vlaykowski, Hans-Peter Maier | 1988-01-05 |