Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663954 | Method and apparatus for the corrugating of metal tubes | Gerhard Ziemek, Klaus Tripke | 1987-05-12 |
| 4397081 | Making a superconductive tube | Gerhard Ziemek | 1983-08-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663954 | Method and apparatus for the corrugating of metal tubes | Gerhard Ziemek, Klaus Tripke | 1987-05-12 |
| 4397081 | Making a superconductive tube | Gerhard Ziemek | 1983-08-09 |